Home / 83,669.49-125,370.42-75,171.96

Finding the Fourth Proportional to 83,669.49, 125,370.42 and 75,171.96

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Solution

The fourth proportional to 83,669.49, 125,370.42 and 75,171.96 is: 112,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669.49 : 125,370.42 = 75,171.96 : x
  2. Step 2: Convert to fraction form
    83,669.49/125,370.42 = 75,171.96/x
  3. Step 3: Cross multiply
    83,669.49x = 125,370.42 × 75,171.96
  4. Step 4: Simplify right side
    83,669.49x = 9,424,340,197.42
  5. Step 5: Solve for x
    x = 9,424,340,197.42/83,669.49
  6. Step 6: Final answer
    x = 112,637.72

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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.