Home / 137,622.20-206,433.62-37,783.76

Finding the Fourth Proportional to 137,622.20, 206,433.62 and 37,783.76

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Solution

The fourth proportional to 137,622.20, 206,433.62 and 37,783.76 is: 56,675.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,622.20 : 206,433.62 = 37,783.76 : x
  2. Step 2: Convert to fraction form
    137,622.20/206,433.62 = 37,783.76/x
  3. Step 3: Cross multiply
    137,622.20x = 206,433.62 × 37,783.76
  4. Step 4: Simplify right side
    137,622.20x = 7,799,837,132.92
  5. Step 5: Solve for x
    x = 7,799,837,132.92/137,622.20
  6. Step 6: Final answer
    x = 56,675.72

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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.