Home / 137,974.24-206,921.37-53,715.61

Finding the Fourth Proportional to 137,974.24, 206,921.37 and 53,715.61

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Solution

The fourth proportional to 137,974.24, 206,921.37 and 53,715.61 is: 80,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,974.24 : 206,921.37 = 53,715.61 : x
  2. Step 2: Convert to fraction form
    137,974.24/206,921.37 = 53,715.61/x
  3. Step 3: Cross multiply
    137,974.24x = 206,921.37 × 53,715.61
  4. Step 4: Simplify right side
    137,974.24x = 11,114,908,351.49
  5. Step 5: Solve for x
    x = 11,114,908,351.49/137,974.24
  6. Step 6: Final answer
    x = 80,557.85

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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.