Home / 80,715.88-120,996.06-25,298.92

Finding the Fourth Proportional to 80,715.88, 120,996.06 and 25,298.92

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Solution

The fourth proportional to 80,715.88, 120,996.06 and 25,298.92 is: 37,924.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,715.88 : 120,996.06 = 25,298.92 : x
  2. Step 2: Convert to fraction form
    80,715.88/120,996.06 = 25,298.92/x
  3. Step 3: Cross multiply
    80,715.88x = 120,996.06 × 25,298.92
  4. Step 4: Simplify right side
    80,715.88x = 3,061,069,642.26
  5. Step 5: Solve for x
    x = 3,061,069,642.26/80,715.88
  6. Step 6: Final answer
    x = 37,924.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.