Home / 149,691.40-224,209.05-133,070.20

Finding the Fourth Proportional to 149,691.40, 224,209.05 and 133,070.20

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Solution

The fourth proportional to 149,691.40, 224,209.05 and 133,070.20 is: 199,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,691.40 : 224,209.05 = 133,070.20 : x
  2. Step 2: Convert to fraction form
    149,691.40/224,209.05 = 133,070.20/x
  3. Step 3: Cross multiply
    149,691.40x = 224,209.05 × 133,070.20
  4. Step 4: Simplify right side
    149,691.40x = 29,835,543,125.31
  5. Step 5: Solve for x
    x = 29,835,543,125.31/149,691.40
  6. Step 6: Final answer
    x = 199,313.68

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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.