Home / 81,341.23-122,008.25-22,176.90

Finding the Fourth Proportional to 81,341.23, 122,008.25 and 22,176.90

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Solution

The fourth proportional to 81,341.23, 122,008.25 and 22,176.90 is: 33,264.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,341.23 : 122,008.25 = 22,176.90 : x
  2. Step 2: Convert to fraction form
    81,341.23/122,008.25 = 22,176.90/x
  3. Step 3: Cross multiply
    81,341.23x = 122,008.25 × 22,176.90
  4. Step 4: Simplify right side
    81,341.23x = 2,705,764,648.54
  5. Step 5: Solve for x
    x = 2,705,764,648.54/81,341.23
  6. Step 6: Final answer
    x = 33,264.37

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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.