Home / 137,621.20-206,432.11-37,782.76

Finding the Fourth Proportional to 137,621.20, 206,432.11 and 37,782.76

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Solution

The fourth proportional to 137,621.20, 206,432.11 and 37,782.76 is: 56,674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,621.20 : 206,432.11 = 37,782.76 : x
  2. Step 2: Convert to fraction form
    137,621.20/206,432.11 = 37,782.76/x
  3. Step 3: Cross multiply
    137,621.20x = 206,432.11 × 37,782.76
  4. Step 4: Simplify right side
    137,621.20x = 7,799,574,868.42
  5. Step 5: Solve for x
    x = 7,799,574,868.42/137,621.20
  6. Step 6: Final answer
    x = 56,674.23

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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.