Home / 146,518.31-219,816.92-75,402.20

Finding the Fourth Proportional to 146,518.31, 219,816.92 and 75,402.20

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Solution

The fourth proportional to 146,518.31, 219,816.92 and 75,402.20 is: 113,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,518.31 : 219,816.92 = 75,402.20 : x
  2. Step 2: Convert to fraction form
    146,518.31/219,816.92 = 75,402.20/x
  3. Step 3: Cross multiply
    146,518.31x = 219,816.92 × 75,402.20
  4. Step 4: Simplify right side
    146,518.31x = 16,574,680,103.27
  5. Step 5: Solve for x
    x = 16,574,680,103.27/146,518.31
  6. Step 6: Final answer
    x = 113,123.61

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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.