Home / 123,511.60-170,446.17-66,922.93

Finding the Fourth Proportional to 123,511.60, 170,446.17 and 66,922.93

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Solution

The fourth proportional to 123,511.60, 170,446.17 and 66,922.93 is: 92,353.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,511.60 : 170,446.17 = 66,922.93 : x
  2. Step 2: Convert to fraction form
    123,511.60/170,446.17 = 66,922.93/x
  3. Step 3: Cross multiply
    123,511.60x = 170,446.17 × 66,922.93
  4. Step 4: Simplify right side
    123,511.60x = 11,406,757,103.68
  5. Step 5: Solve for x
    x = 11,406,757,103.68/123,511.60
  6. Step 6: Final answer
    x = 92,353.73

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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.