Home / 156,869.38-235,331.43-51,660.10

Finding the Fourth Proportional to 156,869.38, 235,331.43 and 51,660.10

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Solution

The fourth proportional to 156,869.38, 235,331.43 and 51,660.10 is: 77,499.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,869.38 : 235,331.43 = 51,660.10 : x
  2. Step 2: Convert to fraction form
    156,869.38/235,331.43 = 51,660.10/x
  3. Step 3: Cross multiply
    156,869.38x = 235,331.43 × 51,660.10
  4. Step 4: Simplify right side
    156,869.38x = 12,157,245,206.94
  5. Step 5: Solve for x
    x = 12,157,245,206.94/156,869.38
  6. Step 6: Final answer
    x = 77,499.16

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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.