Home / 88,267.40-132,401.10-76,862.60

Finding the Fourth Proportional to 88,267.40, 132,401.10 and 76,862.60

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Solution

The fourth proportional to 88,267.40, 132,401.10 and 76,862.60 is: 115,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,267.40 : 132,401.10 = 76,862.60 : x
  2. Step 2: Convert to fraction form
    88,267.40/132,401.10 = 76,862.60/x
  3. Step 3: Cross multiply
    88,267.40x = 132,401.10 × 76,862.60
  4. Step 4: Simplify right side
    88,267.40x = 10,176,692,788.86
  5. Step 5: Solve for x
    x = 10,176,692,788.86/88,267.40
  6. Step 6: Final answer
    x = 115,293.90

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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.