Home / 137,584.68-206,377.07-90,826.62

Finding the Fourth Proportional to 137,584.68, 206,377.07 and 90,826.62

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Solution

The fourth proportional to 137,584.68, 206,377.07 and 90,826.62 is: 136,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,584.68 : 206,377.07 = 90,826.62 : x
  2. Step 2: Convert to fraction form
    137,584.68/206,377.07 = 90,826.62/x
  3. Step 3: Cross multiply
    137,584.68x = 206,377.07 × 90,826.62
  4. Step 4: Simplify right side
    137,584.68x = 18,744,531,259.47
  5. Step 5: Solve for x
    x = 18,744,531,259.47/137,584.68
  6. Step 6: Final answer
    x = 136,239.96

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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.