Home / 156,736.40-235,142.40-51,549.80

Finding the Fourth Proportional to 156,736.40, 235,142.40 and 51,549.80

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Solution

The fourth proportional to 156,736.40, 235,142.40 and 51,549.80 is: 77,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,736.40 : 235,142.40 = 51,549.80 : x
  2. Step 2: Convert to fraction form
    156,736.40/235,142.40 = 51,549.80/x
  3. Step 3: Cross multiply
    156,736.40x = 235,142.40 × 51,549.80
  4. Step 4: Simplify right side
    156,736.40x = 12,121,543,691.52
  5. Step 5: Solve for x
    x = 12,121,543,691.52/156,736.40
  6. Step 6: Final answer
    x = 77,337.13

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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.