Home / 99,814.43-137,744.30-54,493.41

Finding the Fourth Proportional to 99,814.43, 137,744.30 and 54,493.41

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Solution

The fourth proportional to 99,814.43, 137,744.30 and 54,493.41 is: 75,201.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,814.43 : 137,744.30 = 54,493.41 : x
  2. Step 2: Convert to fraction form
    99,814.43/137,744.30 = 54,493.41/x
  3. Step 3: Cross multiply
    99,814.43x = 137,744.30 × 54,493.41
  4. Step 4: Simplify right side
    99,814.43x = 7,506,156,186.50
  5. Step 5: Solve for x
    x = 7,506,156,186.50/99,814.43
  6. Step 6: Final answer
    x = 75,201.11

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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.