Home / 84,127.20-126,194.04-21,796.08

Finding the Fourth Proportional to 84,127.20, 126,194.04 and 21,796.08

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Solution

The fourth proportional to 84,127.20, 126,194.04 and 21,796.08 is: 32,694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,127.20 : 126,194.04 = 21,796.08 : x
  2. Step 2: Convert to fraction form
    84,127.20/126,194.04 = 21,796.08/x
  3. Step 3: Cross multiply
    84,127.20x = 126,194.04 × 21,796.08
  4. Step 4: Simplify right side
    84,127.20x = 2,750,535,391.36
  5. Step 5: Solve for x
    x = 2,750,535,391.36/84,127.20
  6. Step 6: Final answer
    x = 32,694.96

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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.