Home / 137,786.65-206,626.83-53,535.72

Finding the Fourth Proportional to 137,786.65, 206,626.83 and 53,535.72

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Solution

The fourth proportional to 137,786.65, 206,626.83 and 53,535.72 is: 80,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,786.65 : 206,626.83 = 53,535.72 : x
  2. Step 2: Convert to fraction form
    137,786.65/206,626.83 = 53,535.72/x
  3. Step 3: Cross multiply
    137,786.65x = 206,626.83 × 53,535.72
  4. Step 4: Simplify right side
    137,786.65x = 11,061,915,340.52
  5. Step 5: Solve for x
    x = 11,061,915,340.52/137,786.65
  6. Step 6: Final answer
    x = 80,282.93

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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.