Home / 146,881.08-220,449.30-80,381.88

Finding the Fourth Proportional to 146,881.08, 220,449.30 and 80,381.88

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Solution

The fourth proportional to 146,881.08, 220,449.30 and 80,381.88 is: 120,642.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,881.08 : 220,449.30 = 80,381.88 : x
  2. Step 2: Convert to fraction form
    146,881.08/220,449.30 = 80,381.88/x
  3. Step 3: Cross multiply
    146,881.08x = 220,449.30 × 80,381.88
  4. Step 4: Simplify right side
    146,881.08x = 17,720,129,178.68
  5. Step 5: Solve for x
    x = 17,720,129,178.68/146,881.08
  6. Step 6: Final answer
    x = 120,642.69

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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.