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Finding the Fourth Proportional to 149,351.71, 223,854.22 and 60,494.71

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Solution

The fourth proportional to 149,351.71, 223,854.22 and 60,494.71 is: 90,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,351.71 : 223,854.22 = 60,494.71 : x
  2. Step 2: Convert to fraction form
    149,351.71/223,854.22 = 60,494.71/x
  3. Step 3: Cross multiply
    149,351.71x = 223,854.22 × 60,494.71
  4. Step 4: Simplify right side
    149,351.71x = 13,541,995,637.16
  5. Step 5: Solve for x
    x = 13,541,995,637.16/149,351.71
  6. Step 6: Final answer
    x = 90,671.85

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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.