Home / 88,170.43-132,260.64-28,204.17

Finding the Fourth Proportional to 88,170.43, 132,260.64 and 28,204.17

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Solution

The fourth proportional to 88,170.43, 132,260.64 and 28,204.17 is: 42,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,170.43 : 132,260.64 = 28,204.17 : x
  2. Step 2: Convert to fraction form
    88,170.43/132,260.64 = 28,204.17/x
  3. Step 3: Cross multiply
    88,170.43x = 132,260.64 × 28,204.17
  4. Step 4: Simplify right side
    88,170.43x = 3,730,301,379.76
  5. Step 5: Solve for x
    x = 3,730,301,379.76/88,170.43
  6. Step 6: Final answer
    x = 42,307.85

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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.