Home / 124,789.38-187,257.78-65,629.62

Finding the Fourth Proportional to 124,789.38, 187,257.78 and 65,629.62

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Solution

The fourth proportional to 124,789.38, 187,257.78 and 65,629.62 is: 98,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,789.38 : 187,257.78 = 65,629.62 : x
  2. Step 2: Convert to fraction form
    124,789.38/187,257.78 = 65,629.62/x
  3. Step 3: Cross multiply
    124,789.38x = 187,257.78 × 65,629.62
  4. Step 4: Simplify right side
    124,789.38x = 12,289,656,943.44
  5. Step 5: Solve for x
    x = 12,289,656,943.44/124,789.38
  6. Step 6: Final answer
    x = 98,483.20

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1.5x scale

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.