Home / 75,228.48-112,853.61-40,149

Finding the Fourth Proportional to 75,228.48, 112,853.61 and 40,149

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Solution

The fourth proportional to 75,228.48, 112,853.61 and 40,149 is: 60,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,228.48 : 112,853.61 = 40,149 : x
  2. Step 2: Convert to fraction form
    75,228.48/112,853.61 = 40,149/x
  3. Step 3: Cross multiply
    75,228.48x = 112,853.61 × 40,149
  4. Step 4: Simplify right side
    75,228.48x = 4,530,959,587.89
  5. Step 5: Solve for x
    x = 4,530,959,587.89/75,228.48
  6. Step 6: Final answer
    x = 60,229.31

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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.