Home / 123,248.46-170,082.96-66,659.82

Finding the Fourth Proportional to 123,248.46, 170,082.96 and 66,659.82

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Solution

The fourth proportional to 123,248.46, 170,082.96 and 66,659.82 is: 91,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,248.46 : 170,082.96 = 66,659.82 : x
  2. Step 2: Convert to fraction form
    123,248.46/170,082.96 = 66,659.82/x
  3. Step 3: Cross multiply
    123,248.46x = 170,082.96 × 66,659.82
  4. Step 4: Simplify right side
    123,248.46x = 11,337,699,498.67
  5. Step 5: Solve for x
    x = 11,337,699,498.67/123,248.46
  6. Step 6: Final answer
    x = 91,990.60

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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.