Home / 99,351.70-148,986.08-40,145.88

Finding the Fourth Proportional to 99,351.70, 148,986.08 and 40,145.88

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Solution

The fourth proportional to 99,351.70, 148,986.08 and 40,145.88 is: 60,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,351.70 : 148,986.08 = 40,145.88 : x
  2. Step 2: Convert to fraction form
    99,351.70/148,986.08 = 40,145.88/x
  3. Step 3: Cross multiply
    99,351.70x = 148,986.08 × 40,145.88
  4. Step 4: Simplify right side
    99,351.70x = 5,981,177,289.35
  5. Step 5: Solve for x
    x = 5,981,177,289.35/99,351.70
  6. Step 6: Final answer
    x = 60,202.06

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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.