Home / 107,716.68-148,687.38-77,519.88

Finding the Fourth Proportional to 107,716.68, 148,687.38 and 77,519.88

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Solution

The fourth proportional to 107,716.68, 148,687.38 and 77,519.88 is: 107,005.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,716.68 : 148,687.38 = 77,519.88 : x
  2. Step 2: Convert to fraction form
    107,716.68/148,687.38 = 77,519.88/x
  3. Step 3: Cross multiply
    107,716.68x = 148,687.38 × 77,519.88
  4. Step 4: Simplify right side
    107,716.68x = 11,526,227,855.11
  5. Step 5: Solve for x
    x = 11,526,227,855.11/107,716.68
  6. Step 6: Final answer
    x = 107,005.04

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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.