Home / 137,625.20-206,438.12-37,786.76

Finding the Fourth Proportional to 137,625.20, 206,438.12 and 37,786.76

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Solution

The fourth proportional to 137,625.20, 206,438.12 and 37,786.76 is: 56,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,625.20 : 206,438.12 = 37,786.76 : x
  2. Step 2: Convert to fraction form
    137,625.20/206,438.12 = 37,786.76/x
  3. Step 3: Cross multiply
    137,625.20x = 206,438.12 × 37,786.76
  4. Step 4: Simplify right side
    137,625.20x = 7,800,626,474.17
  5. Step 5: Solve for x
    x = 7,800,626,474.17/137,625.20
  6. Step 6: Final answer
    x = 56,680.22

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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.