Home / 156,780.70-234,825.45-136,044.70

Finding the Fourth Proportional to 156,780.70, 234,825.45 and 136,044.70

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Solution

The fourth proportional to 156,780.70, 234,825.45 and 136,044.70 is: 203,767.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,780.70 : 234,825.45 = 136,044.70 : x
  2. Step 2: Convert to fraction form
    156,780.70/234,825.45 = 136,044.70/x
  3. Step 3: Cross multiply
    156,780.70x = 234,825.45 × 136,044.70
  4. Step 4: Simplify right side
    156,780.70x = 31,946,757,897.62
  5. Step 5: Solve for x
    x = 31,946,757,897.62/156,780.70
  6. Step 6: Final answer
    x = 203,767.16

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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.