Home / 84,194.13-126,290.88-21,864.63

Finding the Fourth Proportional to 84,194.13, 126,290.88 and 21,864.63

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Solution

The fourth proportional to 84,194.13, 126,290.88 and 21,864.63 is: 32,796.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,194.13 : 126,290.88 = 21,864.63 : x
  2. Step 2: Convert to fraction form
    84,194.13/126,290.88 = 21,864.63/x
  3. Step 3: Cross multiply
    84,194.13x = 126,290.88 × 21,864.63
  4. Step 4: Simplify right side
    84,194.13x = 2,761,303,363.57
  5. Step 5: Solve for x
    x = 2,761,303,363.57/84,194.13
  6. Step 6: Final answer
    x = 32,796.86

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1.5x scale

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.