Home / 99,414.71-137,146.97-59,105.57

Finding the Fourth Proportional to 99,414.71, 137,146.97 and 59,105.57

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Solution

The fourth proportional to 99,414.71, 137,146.97 and 59,105.57 is: 81,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,414.71 : 137,146.97 = 59,105.57 : x
  2. Step 2: Convert to fraction form
    99,414.71/137,146.97 = 59,105.57/x
  3. Step 3: Cross multiply
    99,414.71x = 137,146.97 × 59,105.57
  4. Step 4: Simplify right side
    99,414.71x = 8,106,149,297.65
  5. Step 5: Solve for x
    x = 8,106,149,297.65/99,414.71
  6. Step 6: Final answer
    x = 81,538.73

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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.