Home / 106,665.38-147,195.40-58,917.70

Finding the Fourth Proportional to 106,665.38, 147,195.40 and 58,917.70

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Solution

The fourth proportional to 106,665.38, 147,195.40 and 58,917.70 is: 81,304.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,665.38 : 147,195.40 = 58,917.70 : x
  2. Step 2: Convert to fraction form
    106,665.38/147,195.40 = 58,917.70/x
  3. Step 3: Cross multiply
    106,665.38x = 147,195.40 × 58,917.70
  4. Step 4: Simplify right side
    106,665.38x = 8,672,414,418.58
  5. Step 5: Solve for x
    x = 8,672,414,418.58/106,665.38
  6. Step 6: Final answer
    x = 81,304.87

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1.5x scale

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.