Home / 107,517.12-148,392-69,265.92

Finding the Fourth Proportional to 107,517.12, 148,392 and 69,265.92

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Solution

The fourth proportional to 107,517.12, 148,392 and 69,265.92 is: 95,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,517.12 : 148,392 = 69,265.92 : x
  2. Step 2: Convert to fraction form
    107,517.12/148,392 = 69,265.92/x
  3. Step 3: Cross multiply
    107,517.12x = 148,392 × 69,265.92
  4. Step 4: Simplify right side
    107,517.12x = 10,278,508,400.64
  5. Step 5: Solve for x
    x = 10,278,508,400.64/107,517.12
  6. Step 6: Final answer
    x = 95,598.81

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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.