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Finding the Fourth Proportional to 150,614.52, 207,854.55 and 90,195

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Solution

The fourth proportional to 150,614.52, 207,854.55 and 90,195 is: 124,473.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,614.52 : 207,854.55 = 90,195 : x
  2. Step 2: Convert to fraction form
    150,614.52/207,854.55 = 90,195/x
  3. Step 3: Cross multiply
    150,614.52x = 207,854.55 × 90,195
  4. Step 4: Simplify right side
    150,614.52x = 18,747,441,137.25
  5. Step 5: Solve for x
    x = 18,747,441,137.25/150,614.52
  6. Step 6: Final answer
    x = 124,473.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.