Home / 143,714.43-198,332.03-80,052.26

Finding the Fourth Proportional to 143,714.43, 198,332.03 and 80,052.26

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Solution

The fourth proportional to 143,714.43, 198,332.03 and 80,052.26 is: 110,475.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,714.43 : 198,332.03 = 80,052.26 : x
  2. Step 2: Convert to fraction form
    143,714.43/198,332.03 = 80,052.26/x
  3. Step 3: Cross multiply
    143,714.43x = 198,332.03 × 80,052.26
  4. Step 4: Simplify right side
    143,714.43x = 15,876,925,839.97
  5. Step 5: Solve for x
    x = 15,876,925,839.97/143,714.43
  6. Step 6: Final answer
    x = 110,475.52

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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.