Home / 151,900.38-227,850.48-67,638.78

Finding the Fourth Proportional to 151,900.38, 227,850.48 and 67,638.78

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Solution

The fourth proportional to 151,900.38, 227,850.48 and 67,638.78 is: 101,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,900.38 : 227,850.48 = 67,638.78 : x
  2. Step 2: Convert to fraction form
    151,900.38/227,850.48 = 67,638.78/x
  3. Step 3: Cross multiply
    151,900.38x = 227,850.48 × 67,638.78
  4. Step 4: Simplify right side
    151,900.38x = 15,411,528,489.61
  5. Step 5: Solve for x
    x = 15,411,528,489.61/151,900.38
  6. Step 6: Final answer
    x = 101,458.13

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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.