Home / 115,228.80-159,138-93,774.24

Finding the Fourth Proportional to 115,228.80, 159,138 and 93,774.24

Calculator

Solution

The fourth proportional to 115,228.80, 159,138 and 93,774.24 is: 129,507.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,228.80 : 159,138 = 93,774.24 : x
  2. Step 2: Convert to fraction form
    115,228.80/159,138 = 93,774.24/x
  3. Step 3: Cross multiply
    115,228.80x = 159,138 × 93,774.24
  4. Step 4: Simplify right side
    115,228.80x = 14,923,045,005.12
  5. Step 5: Solve for x
    x = 14,923,045,005.12/115,228.80
  6. Step 6: Final answer
    x = 129,507.94

Related Problems

Find fourth proportional to 57,614.40, 79,569 and 46,887.12
Half scale
Find fourth proportional to 230,457.60, 318,276 and 187,548.48
Double scale
Find fourth proportional to 115,229.80, 159,139.38 and 93,775.24
Similar ratio
Find fourth proportional to 172,843.20, 238,707 and 140,661.36
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.