Home / 84,474.14-126,699.69-22,139.42

Finding the Fourth Proportional to 84,474.14, 126,699.69 and 22,139.42

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Solution

The fourth proportional to 84,474.14, 126,699.69 and 22,139.42 is: 33,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,474.14 : 126,699.69 = 22,139.42 : x
  2. Step 2: Convert to fraction form
    84,474.14/126,699.69 = 22,139.42/x
  3. Step 3: Cross multiply
    84,474.14x = 126,699.69 × 22,139.42
  4. Step 4: Simplify right side
    84,474.14x = 2,805,057,650.78
  5. Step 5: Solve for x
    x = 2,805,057,650.78/84,474.14
  6. Step 6: Final answer
    x = 33,206.11

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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.