Home / 99,324.20-148,914.30-40,130.60

Finding the Fourth Proportional to 99,324.20, 148,914.30 and 40,130.60

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Solution

The fourth proportional to 99,324.20, 148,914.30 and 40,130.60 is: 60,166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,324.20 : 148,914.30 = 40,130.60 : x
  2. Step 2: Convert to fraction form
    99,324.20/148,914.30 = 40,130.60/x
  3. Step 3: Cross multiply
    99,324.20x = 148,914.30 × 40,130.60
  4. Step 4: Simplify right side
    99,324.20x = 5,976,020,207.58
  5. Step 5: Solve for x
    x = 5,976,020,207.58/99,324.20
  6. Step 6: Final answer
    x = 60,166.81

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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.