Home / 156,627.10-234,940.65-72,387.10

Finding the Fourth Proportional to 156,627.10, 234,940.65 and 72,387.10

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Solution

The fourth proportional to 156,627.10, 234,940.65 and 72,387.10 is: 108,580.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,627.10 : 234,940.65 = 72,387.10 : x
  2. Step 2: Convert to fraction form
    156,627.10/234,940.65 = 72,387.10/x
  3. Step 3: Cross multiply
    156,627.10x = 234,940.65 × 72,387.10
  4. Step 4: Simplify right side
    156,627.10x = 17,006,672,325.62
  5. Step 5: Solve for x
    x = 17,006,672,325.62/156,627.10
  6. Step 6: Final answer
    x = 108,580.65

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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.