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Finding the Fourth Proportional to 88,103.56, 132,159.95 and 40,762.87

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Solution

The fourth proportional to 88,103.56, 132,159.95 and 40,762.87 is: 61,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,103.56 : 132,159.95 = 40,762.87 : x
  2. Step 2: Convert to fraction form
    88,103.56/132,159.95 = 40,762.87/x
  3. Step 3: Cross multiply
    88,103.56x = 132,159.95 × 40,762.87
  4. Step 4: Simplify right side
    88,103.56x = 5,387,218,479.70
  5. Step 5: Solve for x
    x = 5,387,218,479.70/88,103.56
  6. Step 6: Final answer
    x = 61,146.43

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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.