Home / 106,079.20-146,382.24-58,334.56

Finding the Fourth Proportional to 106,079.20, 146,382.24 and 58,334.56

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Solution

The fourth proportional to 106,079.20, 146,382.24 and 58,334.56 is: 80,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,079.20 : 146,382.24 = 58,334.56 : x
  2. Step 2: Convert to fraction form
    106,079.20/146,382.24 = 58,334.56/x
  3. Step 3: Cross multiply
    106,079.20x = 146,382.24 × 58,334.56
  4. Step 4: Simplify right side
    106,079.20x = 8,539,143,562.21
  5. Step 5: Solve for x
    x = 8,539,143,562.21/106,079.20
  6. Step 6: Final answer
    x = 80,497.81

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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.