Home / 156,474.40-234,712.56-38,146.72

Finding the Fourth Proportional to 156,474.40, 234,712.56 and 38,146.72

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Solution

The fourth proportional to 156,474.40, 234,712.56 and 38,146.72 is: 57,220.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,474.40 : 234,712.56 = 38,146.72 : x
  2. Step 2: Convert to fraction form
    156,474.40/234,712.56 = 38,146.72/x
  3. Step 3: Cross multiply
    156,474.40x = 234,712.56 × 38,146.72
  4. Step 4: Simplify right side
    156,474.40x = 8,953,514,306.80
  5. Step 5: Solve for x
    x = 8,953,514,306.80/156,474.40
  6. Step 6: Final answer
    x = 57,220.31

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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.