Home / 156,431.76-234,691.38-51,324.54

Finding the Fourth Proportional to 156,431.76, 234,691.38 and 51,324.54

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Solution

The fourth proportional to 156,431.76, 234,691.38 and 51,324.54 is: 77,001.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,431.76 : 234,691.38 = 51,324.54 : x
  2. Step 2: Convert to fraction form
    156,431.76/234,691.38 = 51,324.54/x
  3. Step 3: Cross multiply
    156,431.76x = 234,691.38 × 51,324.54
  4. Step 4: Simplify right side
    156,431.76x = 12,045,427,120.47
  5. Step 5: Solve for x
    x = 12,045,427,120.47/156,431.76
  6. Step 6: Final answer
    x = 77,001.16

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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.