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Finding the Fourth Proportional to 150,349.95, 207,425.07 and 85,822.83

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Solution

The fourth proportional to 150,349.95, 207,425.07 and 85,822.83 is: 118,402.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,349.95 : 207,425.07 = 85,822.83 : x
  2. Step 2: Convert to fraction form
    150,349.95/207,425.07 = 85,822.83/x
  3. Step 3: Cross multiply
    150,349.95x = 207,425.07 × 85,822.83
  4. Step 4: Simplify right side
    150,349.95x = 17,801,806,520.35
  5. Step 5: Solve for x
    x = 17,801,806,520.35/150,349.95
  6. Step 6: Final answer
    x = 118,402.48

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1.5x scale

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.