Home / 156,632.10-234,948.15-72,392.10

Finding the Fourth Proportional to 156,632.10, 234,948.15 and 72,392.10

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Solution

The fourth proportional to 156,632.10, 234,948.15 and 72,392.10 is: 108,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,632.10 : 234,948.15 = 72,392.10 : x
  2. Step 2: Convert to fraction form
    156,632.10/234,948.15 = 72,392.10/x
  3. Step 3: Cross multiply
    156,632.10x = 234,948.15 × 72,392.10
  4. Step 4: Simplify right side
    156,632.10x = 17,008,389,969.62
  5. Step 5: Solve for x
    x = 17,008,389,969.62/156,632.10
  6. Step 6: Final answer
    x = 108,588.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.