Home / 266,036.46-398,708.15-108,080.25

Finding the Fourth Proportional to 266,036.46, 398,708.15 and 108,080.25

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Solution

The fourth proportional to 266,036.46, 398,708.15 and 108,080.25 is: 161,979.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,036.46 : 398,708.15 = 108,080.25 : x
  2. Step 2: Convert to fraction form
    266,036.46/398,708.15 = 108,080.25/x
  3. Step 3: Cross multiply
    266,036.46x = 398,708.15 × 108,080.25
  4. Step 4: Simplify right side
    266,036.46x = 43,092,475,988.64
  5. Step 5: Solve for x
    x = 43,092,475,988.64/266,036.46
  6. Step 6: Final answer
    x = 161,979.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.