Home / 99,484.72-149,133.28-49,517.58

Finding the Fourth Proportional to 99,484.72, 149,133.28 and 49,517.58

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Solution

The fourth proportional to 99,484.72, 149,133.28 and 49,517.58 is: 74,229.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,484.72 : 149,133.28 = 49,517.58 : x
  2. Step 2: Convert to fraction form
    99,484.72/149,133.28 = 49,517.58/x
  3. Step 3: Cross multiply
    99,484.72x = 149,133.28 × 49,517.58
  4. Step 4: Simplify right side
    99,484.72x = 7,384,719,123.06
  5. Step 5: Solve for x
    x = 7,384,719,123.06/99,484.72
  6. Step 6: Final answer
    x = 74,229.68

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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.