Home / 88,110.90-132,166.35-81,695.70

Finding the Fourth Proportional to 88,110.90, 132,166.35 and 81,695.70

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Solution

The fourth proportional to 88,110.90, 132,166.35 and 81,695.70 is: 122,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,110.90 : 132,166.35 = 81,695.70 : x
  2. Step 2: Convert to fraction form
    88,110.90/132,166.35 = 81,695.70/x
  3. Step 3: Cross multiply
    88,110.90x = 132,166.35 × 81,695.70
  4. Step 4: Simplify right side
    88,110.90x = 10,797,422,479.70
  5. Step 5: Solve for x
    x = 10,797,422,479.70/88,110.90
  6. Step 6: Final answer
    x = 122,543.55

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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.