Home / 105,532.80-145,635.20-63,091.20

Finding the Fourth Proportional to 105,532.80, 145,635.20 and 63,091.20

Calculator

Solution

The fourth proportional to 105,532.80, 145,635.20 and 63,091.20 is: 87,065.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,532.80 : 145,635.20 = 63,091.20 : x
  2. Step 2: Convert to fraction form
    105,532.80/145,635.20 = 63,091.20/x
  3. Step 3: Cross multiply
    105,532.80x = 145,635.20 × 63,091.20
  4. Step 4: Simplify right side
    105,532.80x = 9,188,299,530.24
  5. Step 5: Solve for x
    x = 9,188,299,530.24/105,532.80
  6. Step 6: Final answer
    x = 87,065.82

Related Problems

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.