Home / 218,610.13-301,757.48-127,995.20

Finding the Fourth Proportional to 218,610.13, 301,757.48 and 127,995.20

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Solution

The fourth proportional to 218,610.13, 301,757.48 and 127,995.20 is: 176,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,610.13 : 301,757.48 = 127,995.20 : x
  2. Step 2: Convert to fraction form
    218,610.13/301,757.48 = 127,995.20/x
  3. Step 3: Cross multiply
    218,610.13x = 301,757.48 × 127,995.20
  4. Step 4: Simplify right side
    218,610.13x = 38,623,508,531.27
  5. Step 5: Solve for x
    x = 38,623,508,531.27/218,610.13
  6. Step 6: Final answer
    x = 176,677.58

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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.