Home / 149,581.54-206,305.80-95,871.70

Finding the Fourth Proportional to 149,581.54, 206,305.80 and 95,871.70

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Solution

The fourth proportional to 149,581.54, 206,305.80 and 95,871.70 is: 132,228.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,581.54 : 206,305.80 = 95,871.70 : x
  2. Step 2: Convert to fraction form
    149,581.54/206,305.80 = 95,871.70/x
  3. Step 3: Cross multiply
    149,581.54x = 206,305.80 × 95,871.70
  4. Step 4: Simplify right side
    149,581.54x = 19,778,887,765.86
  5. Step 5: Solve for x
    x = 19,778,887,765.86/149,581.54
  6. Step 6: Final answer
    x = 132,228.13

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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.