Home / 137,461.20-206,188.92-74,311.44

Finding the Fourth Proportional to 137,461.20, 206,188.92 and 74,311.44

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Solution

The fourth proportional to 137,461.20, 206,188.92 and 74,311.44 is: 111,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,461.20 : 206,188.92 = 74,311.44 : x
  2. Step 2: Convert to fraction form
    137,461.20/206,188.92 = 74,311.44/x
  3. Step 3: Cross multiply
    137,461.20x = 206,188.92 × 74,311.44
  4. Step 4: Simplify right side
    137,461.20x = 15,322,195,557.24
  5. Step 5: Solve for x
    x = 15,322,195,557.24/137,461.20
  6. Step 6: Final answer
    x = 111,465.60

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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.