Home / 137,873.07-206,756.28-53,621.85

Finding the Fourth Proportional to 137,873.07, 206,756.28 and 53,621.85

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Solution

The fourth proportional to 137,873.07, 206,756.28 and 53,621.85 is: 80,412.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,873.07 : 206,756.28 = 53,621.85 : x
  2. Step 2: Convert to fraction form
    137,873.07/206,756.28 = 53,621.85/x
  3. Step 3: Cross multiply
    137,873.07x = 206,756.28 × 53,621.85
  4. Step 4: Simplify right side
    137,873.07x = 11,086,654,232.72
  5. Step 5: Solve for x
    x = 11,086,654,232.72/137,873.07
  6. Step 6: Final answer
    x = 80,412.04

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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.