Home / 120,976.68-181,506.60-54,463.44

Finding the Fourth Proportional to 120,976.68, 181,506.60 and 54,463.44

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Solution

The fourth proportional to 120,976.68, 181,506.60 and 54,463.44 is: 81,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,976.68 : 181,506.60 = 54,463.44 : x
  2. Step 2: Convert to fraction form
    120,976.68/181,506.60 = 54,463.44/x
  3. Step 3: Cross multiply
    120,976.68x = 181,506.60 × 54,463.44
  4. Step 4: Simplify right side
    120,976.68x = 9,885,473,818.70
  5. Step 5: Solve for x
    x = 9,885,473,818.70/120,976.68
  6. Step 6: Final answer
    x = 81,713.88

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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.