Home / 146,614.72-202,306.81-82,080.61

Finding the Fourth Proportional to 146,614.72, 202,306.81 and 82,080.61

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Solution

The fourth proportional to 146,614.72, 202,306.81 and 82,080.61 is: 113,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,614.72 : 202,306.81 = 82,080.61 : x
  2. Step 2: Convert to fraction form
    146,614.72/202,306.81 = 82,080.61/x
  3. Step 3: Cross multiply
    146,614.72x = 202,306.81 × 82,080.61
  4. Step 4: Simplify right side
    146,614.72x = 16,605,466,371.95
  5. Step 5: Solve for x
    x = 16,605,466,371.95/146,614.72
  6. Step 6: Final answer
    x = 113,259.20

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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.