Home / 106,278.72-146,671.26-58,532.05

Finding the Fourth Proportional to 106,278.72, 146,671.26 and 58,532.05

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Solution

The fourth proportional to 106,278.72, 146,671.26 and 58,532.05 is: 80,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,278.72 : 146,671.26 = 58,532.05 : x
  2. Step 2: Convert to fraction form
    106,278.72/146,671.26 = 58,532.05/x
  3. Step 3: Cross multiply
    106,278.72x = 146,671.26 × 58,532.05
  4. Step 4: Simplify right side
    106,278.72x = 8,584,969,487.73
  5. Step 5: Solve for x
    x = 8,584,969,487.73/106,278.72
  6. Step 6: Final answer
    x = 80,777.88

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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.