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Finding the Fourth Proportional to 133,658.47, 200,487.63 and 124,801.13

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Solution

The fourth proportional to 133,658.47, 200,487.63 and 124,801.13 is: 187,201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,658.47 : 200,487.63 = 124,801.13 : x
  2. Step 2: Convert to fraction form
    133,658.47/200,487.63 = 124,801.13/x
  3. Step 3: Cross multiply
    133,658.47x = 200,487.63 × 124,801.13
  4. Step 4: Simplify right side
    133,658.47x = 25,021,082,775.02
  5. Step 5: Solve for x
    x = 25,021,082,775.02/133,658.47
  6. Step 6: Final answer
    x = 187,201.62

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1.5x scale

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.