Home / 81,472.30-122,208.56-22,308.49

Finding the Fourth Proportional to 81,472.30, 122,208.56 and 22,308.49

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Solution

The fourth proportional to 81,472.30, 122,208.56 and 22,308.49 is: 33,462.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,472.30 : 122,208.56 = 22,308.49 : x
  2. Step 2: Convert to fraction form
    81,472.30/122,208.56 = 22,308.49/x
  3. Step 3: Cross multiply
    81,472.30x = 122,208.56 × 22,308.49
  4. Step 4: Simplify right side
    81,472.30x = 2,726,287,716.09
  5. Step 5: Solve for x
    x = 2,726,287,716.09/81,472.30
  6. Step 6: Final answer
    x = 33,462.76

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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.