Home / 88,691.46-122,362.10-68,279.76

Finding the Fourth Proportional to 88,691.46, 122,362.10 and 68,279.76

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Solution

The fourth proportional to 88,691.46, 122,362.10 and 68,279.76 is: 94,201.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,691.46 : 122,362.10 = 68,279.76 : x
  2. Step 2: Convert to fraction form
    88,691.46/122,362.10 = 68,279.76/x
  3. Step 3: Cross multiply
    88,691.46x = 122,362.10 × 68,279.76
  4. Step 4: Simplify right side
    88,691.46x = 8,354,854,821.10
  5. Step 5: Solve for x
    x = 8,354,854,821.10/88,691.46
  6. Step 6: Final answer
    x = 94,201.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.