Home / 156,905.40-235,358.10-150,781.80

Finding the Fourth Proportional to 156,905.40, 235,358.10 and 150,781.80

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Solution

The fourth proportional to 156,905.40, 235,358.10 and 150,781.80 is: 226,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,905.40 : 235,358.10 = 150,781.80 : x
  2. Step 2: Convert to fraction form
    156,905.40/235,358.10 = 150,781.80/x
  3. Step 3: Cross multiply
    156,905.40x = 235,358.10 × 150,781.80
  4. Step 4: Simplify right side
    156,905.40x = 35,487,717,962.58
  5. Step 5: Solve for x
    x = 35,487,717,962.58/156,905.40
  6. Step 6: Final answer
    x = 226,172.70

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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.