Home / 88,176.90-132,098.61-68,358.42

Finding the Fourth Proportional to 88,176.90, 132,098.61 and 68,358.42

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Solution

The fourth proportional to 88,176.90, 132,098.61 and 68,358.42 is: 102,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,176.90 : 132,098.61 = 68,358.42 : x
  2. Step 2: Convert to fraction form
    88,176.90/132,098.61 = 68,358.42/x
  3. Step 3: Cross multiply
    88,176.90x = 132,098.61 × 68,358.42
  4. Step 4: Simplify right side
    88,176.90x = 9,030,052,263.80
  5. Step 5: Solve for x
    x = 9,030,052,263.80/88,176.90
  6. Step 6: Final answer
    x = 102,408.37

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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.