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Finding the Fourth Proportional to 132,604.62, 198,864.54 and 43,841.58

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Solution

The fourth proportional to 132,604.62, 198,864.54 and 43,841.58 is: 65,748.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,604.62 : 198,864.54 = 43,841.58 : x
  2. Step 2: Convert to fraction form
    132,604.62/198,864.54 = 43,841.58/x
  3. Step 3: Cross multiply
    132,604.62x = 198,864.54 × 43,841.58
  4. Step 4: Simplify right side
    132,604.62x = 8,718,535,639.57
  5. Step 5: Solve for x
    x = 8,718,535,639.57/132,604.62
  6. Step 6: Final answer
    x = 65,748.36

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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.