Home / 88,148.82-132,227.85-67,121.84

Finding the Fourth Proportional to 88,148.82, 132,227.85 and 67,121.84

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Solution

The fourth proportional to 88,148.82, 132,227.85 and 67,121.84 is: 100,686.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,148.82 : 132,227.85 = 67,121.84 : x
  2. Step 2: Convert to fraction form
    88,148.82/132,227.85 = 67,121.84/x
  3. Step 3: Cross multiply
    88,148.82x = 132,227.85 × 67,121.84
  4. Step 4: Simplify right side
    88,148.82x = 8,875,376,423.44
  5. Step 5: Solve for x
    x = 8,875,376,423.44/88,148.82
  6. Step 6: Final answer
    x = 100,686.28

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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.