Home / 156,780.20-234,824.70-136,044.20

Finding the Fourth Proportional to 156,780.20, 234,824.70 and 136,044.20

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Solution

The fourth proportional to 156,780.20, 234,824.70 and 136,044.20 is: 203,766.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,780.20 : 234,824.70 = 136,044.20 : x
  2. Step 2: Convert to fraction form
    156,780.20/234,824.70 = 136,044.20/x
  3. Step 3: Cross multiply
    156,780.20x = 234,824.70 × 136,044.20
  4. Step 4: Simplify right side
    156,780.20x = 31,946,538,451.74
  5. Step 5: Solve for x
    x = 31,946,538,451.74/156,780.20
  6. Step 6: Final answer
    x = 203,766.41

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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.