Home / 245,190.60-338,363.33-137,760.57

Finding the Fourth Proportional to 245,190.60, 338,363.33 and 137,760.57

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Solution

The fourth proportional to 245,190.60, 338,363.33 and 137,760.57 is: 190,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,190.60 : 338,363.33 = 137,760.57 : x
  2. Step 2: Convert to fraction form
    245,190.60/338,363.33 = 137,760.57/x
  3. Step 3: Cross multiply
    245,190.60x = 338,363.33 × 137,760.57
  4. Step 4: Simplify right side
    245,190.60x = 46,613,125,207.90
  5. Step 5: Solve for x
    x = 46,613,125,207.90/245,190.60
  6. Step 6: Final answer
    x = 190,109.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.