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Finding the Fourth Proportional to 88,356.88, 132,506.70 and 29,178.28

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Solution

The fourth proportional to 88,356.88, 132,506.70 and 29,178.28 is: 43,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,356.88 : 132,506.70 = 29,178.28 : x
  2. Step 2: Convert to fraction form
    88,356.88/132,506.70 = 29,178.28/x
  3. Step 3: Cross multiply
    88,356.88x = 132,506.70 × 29,178.28
  4. Step 4: Simplify right side
    88,356.88x = 3,866,317,594.48
  5. Step 5: Solve for x
    x = 3,866,317,594.48/88,356.88
  6. Step 6: Final answer
    x = 43,757.97

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1.5x scale

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.