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Finding the Fourth Proportional to 88,639.40, 132,958 and 22,080.08

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Solution

The fourth proportional to 88,639.40, 132,958 and 22,080.08 is: 33,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,639.40 : 132,958 = 22,080.08 : x
  2. Step 2: Convert to fraction form
    88,639.40/132,958 = 22,080.08/x
  3. Step 3: Cross multiply
    88,639.40x = 132,958 × 22,080.08
  4. Step 4: Simplify right side
    88,639.40x = 2,935,723,276.64
  5. Step 5: Solve for x
    x = 2,935,723,276.64/88,639.40
  6. Step 6: Final answer
    x = 33,119.85

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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.