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Finding the Fourth Proportional to 88,046.80, 132,199.80 and 61,867.60

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Solution

The fourth proportional to 88,046.80, 132,199.80 and 61,867.60 is: 92,892.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,046.80 : 132,199.80 = 61,867.60 : x
  2. Step 2: Convert to fraction form
    88,046.80/132,199.80 = 61,867.60/x
  3. Step 3: Cross multiply
    88,046.80x = 132,199.80 × 61,867.60
  4. Step 4: Simplify right side
    88,046.80x = 8,178,884,346.48
  5. Step 5: Solve for x
    x = 8,178,884,346.48/88,046.80
  6. Step 6: Final answer
    x = 92,892.47

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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.