Home / 124,837.20-187,255.80-49,993.20

Finding the Fourth Proportional to 124,837.20, 187,255.80 and 49,993.20

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Solution

The fourth proportional to 124,837.20, 187,255.80 and 49,993.20 is: 74,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,837.20 : 187,255.80 = 49,993.20 : x
  2. Step 2: Convert to fraction form
    124,837.20/187,255.80 = 49,993.20/x
  3. Step 3: Cross multiply
    124,837.20x = 187,255.80 × 49,993.20
  4. Step 4: Simplify right side
    124,837.20x = 9,361,516,660.56
  5. Step 5: Solve for x
    x = 9,361,516,660.56/124,837.20
  6. Step 6: Final answer
    x = 74,989.80

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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.