Home / 84,191.87-126,287.51-21,862.37

Finding the Fourth Proportional to 84,191.87, 126,287.51 and 21,862.37

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Solution

The fourth proportional to 84,191.87, 126,287.51 and 21,862.37 is: 32,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,191.87 : 126,287.51 = 21,862.37 : x
  2. Step 2: Convert to fraction form
    84,191.87/126,287.51 = 21,862.37/x
  3. Step 3: Cross multiply
    84,191.87x = 126,287.51 × 21,862.37
  4. Step 4: Simplify right side
    84,191.87x = 2,760,944,476.41
  5. Step 5: Solve for x
    x = 2,760,944,476.41/84,191.87
  6. Step 6: Final answer
    x = 32,793.48

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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.