Home / 154,348.20-231,461.15-65,604.60

Finding the Fourth Proportional to 154,348.20, 231,461.15 and 65,604.60

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Solution

The fourth proportional to 154,348.20, 231,461.15 and 65,604.60 is: 98,380.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,348.20 : 231,461.15 = 65,604.60 : x
  2. Step 2: Convert to fraction form
    154,348.20/231,461.15 = 65,604.60/x
  3. Step 3: Cross multiply
    154,348.20x = 231,461.15 × 65,604.60
  4. Step 4: Simplify right side
    154,348.20x = 15,184,915,833.27
  5. Step 5: Solve for x
    x = 15,184,915,833.27/154,348.20
  6. Step 6: Final answer
    x = 98,380.91

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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.