Home / 106,391.35-146,778.87-61,052.95

Finding the Fourth Proportional to 106,391.35, 146,778.87 and 61,052.95

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Solution

The fourth proportional to 106,391.35, 146,778.87 and 61,052.95 is: 84,229.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,391.35 : 146,778.87 = 61,052.95 : x
  2. Step 2: Convert to fraction form
    106,391.35/146,778.87 = 61,052.95/x
  3. Step 3: Cross multiply
    106,391.35x = 146,778.87 × 61,052.95
  4. Step 4: Simplify right side
    106,391.35x = 8,961,283,011.17
  5. Step 5: Solve for x
    x = 8,961,283,011.17/106,391.35
  6. Step 6: Final answer
    x = 84,229.43

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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.