Home / 146,379.76-202,001.42-82,716.20

Finding the Fourth Proportional to 146,379.76, 202,001.42 and 82,716.20

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Solution

The fourth proportional to 146,379.76, 202,001.42 and 82,716.20 is: 114,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,379.76 : 202,001.42 = 82,716.20 : x
  2. Step 2: Convert to fraction form
    146,379.76/202,001.42 = 82,716.20/x
  3. Step 3: Cross multiply
    146,379.76x = 202,001.42 × 82,716.20
  4. Step 4: Simplify right side
    146,379.76x = 16,708,789,857.00
  5. Step 5: Solve for x
    x = 16,708,789,857.00/146,379.76
  6. Step 6: Final answer
    x = 114,146.86

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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.