Home / 98,561.44-136,016-56,120

Finding the Fourth Proportional to 98,561.44, 136,016 and 56,120

Calculator

Solution

The fourth proportional to 98,561.44, 136,016 and 56,120 is: 77,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,561.44 : 136,016 = 56,120 : x
  2. Step 2: Convert to fraction form
    98,561.44/136,016 = 56,120/x
  3. Step 3: Cross multiply
    98,561.44x = 136,016 × 56,120
  4. Step 4: Simplify right side
    98,561.44x = 7,633,217,920
  5. Step 5: Solve for x
    x = 7,633,217,920/98,561.44
  6. Step 6: Final answer
    x = 77,446.29

Related Problems

Find fourth proportional to 49,280.72, 68,008 and 28,060
Half scale
Find fourth proportional to 197,122.88, 272,032 and 112,240
Double scale
Find fourth proportional to 98,562.44, 136,017.38 and 56,121
Similar ratio
Find fourth proportional to 147,842.16, 204,024 and 84,180
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.