Home / 132,721.40-199,082.10-49,604.60

Finding the Fourth Proportional to 132,721.40, 199,082.10 and 49,604.60

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Solution

The fourth proportional to 132,721.40, 199,082.10 and 49,604.60 is: 74,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,721.40 : 199,082.10 = 49,604.60 : x
  2. Step 2: Convert to fraction form
    132,721.40/199,082.10 = 49,604.60/x
  3. Step 3: Cross multiply
    132,721.40x = 199,082.10 × 49,604.60
  4. Step 4: Simplify right side
    132,721.40x = 9,875,387,937.66
  5. Step 5: Solve for x
    x = 9,875,387,937.66/132,721.40
  6. Step 6: Final answer
    x = 74,406.90

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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.