Home / 148,976.60-223,464.90-137,604.20

Finding the Fourth Proportional to 148,976.60, 223,464.90 and 137,604.20

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Solution

The fourth proportional to 148,976.60, 223,464.90 and 137,604.20 is: 206,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,976.60 : 223,464.90 = 137,604.20 : x
  2. Step 2: Convert to fraction form
    148,976.60/223,464.90 = 137,604.20/x
  3. Step 3: Cross multiply
    148,976.60x = 223,464.90 × 137,604.20
  4. Step 4: Simplify right side
    148,976.60x = 30,749,708,792.58
  5. Step 5: Solve for x
    x = 30,749,708,792.58/148,976.60
  6. Step 6: Final answer
    x = 206,406.30

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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.