Home / 146,581.85-202,287.25-81,171.42

Finding the Fourth Proportional to 146,581.85, 202,287.25 and 81,171.42

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Solution

The fourth proportional to 146,581.85, 202,287.25 and 81,171.42 is: 112,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,581.85 : 202,287.25 = 81,171.42 : x
  2. Step 2: Convert to fraction form
    146,581.85/202,287.25 = 81,171.42/x
  3. Step 3: Cross multiply
    146,581.85x = 202,287.25 × 81,171.42
  4. Step 4: Simplify right side
    146,581.85x = 16,419,942,444.99
  5. Step 5: Solve for x
    x = 16,419,942,444.99/146,581.85
  6. Step 6: Final answer
    x = 112,018.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.