Home / 83,190.46-124,714.96-36,408.38

Finding the Fourth Proportional to 83,190.46, 124,714.96 and 36,408.38

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Solution

The fourth proportional to 83,190.46, 124,714.96 and 36,408.38 is: 54,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,190.46 : 124,714.96 = 36,408.38 : x
  2. Step 2: Convert to fraction form
    83,190.46/124,714.96 = 36,408.38/x
  3. Step 3: Cross multiply
    83,190.46x = 124,714.96 × 36,408.38
  4. Step 4: Simplify right side
    83,190.46x = 4,540,669,655.36
  5. Step 5: Solve for x
    x = 4,540,669,655.36/83,190.46
  6. Step 6: Final answer
    x = 54,581.61

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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.