Home / 137,519.28-206,235.72-53,273.61

Finding the Fourth Proportional to 137,519.28, 206,235.72 and 53,273.61

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Solution

The fourth proportional to 137,519.28, 206,235.72 and 53,273.61 is: 79,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,519.28 : 206,235.72 = 53,273.61 : x
  2. Step 2: Convert to fraction form
    137,519.28/206,235.72 = 53,273.61/x
  3. Step 3: Cross multiply
    137,519.28x = 206,235.72 × 53,273.61
  4. Step 4: Simplify right side
    137,519.28x = 10,986,921,315.35
  5. Step 5: Solve for x
    x = 10,986,921,315.35/137,519.28
  6. Step 6: Final answer
    x = 79,893.68

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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.