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Finding the Fourth Proportional to 148,354.69, 204,729.22 and 80,373.39

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Solution

The fourth proportional to 148,354.69, 204,729.22 and 80,373.39 is: 110,915.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,354.69 : 204,729.22 = 80,373.39 : x
  2. Step 2: Convert to fraction form
    148,354.69/204,729.22 = 80,373.39/x
  3. Step 3: Cross multiply
    148,354.69x = 204,729.22 × 80,373.39
  4. Step 4: Simplify right side
    148,354.69x = 16,454,781,351.99
  5. Step 5: Solve for x
    x = 16,454,781,351.99/148,354.69
  6. Step 6: Final answer
    x = 110,915.14

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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.