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Finding the Fourth Proportional to 88,164.80, 132,205.51 and 34,154.78

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Solution

The fourth proportional to 88,164.80, 132,205.51 and 34,154.78 is: 51,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,164.80 : 132,205.51 = 34,154.78 : x
  2. Step 2: Convert to fraction form
    88,164.80/132,205.51 = 34,154.78/x
  3. Step 3: Cross multiply
    88,164.80x = 132,205.51 × 34,154.78
  4. Step 4: Simplify right side
    88,164.80x = 4,515,450,359.48
  5. Step 5: Solve for x
    x = 4,515,450,359.48/88,164.80
  6. Step 6: Final answer
    x = 51,216.02

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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.