Home / 124,959.60-187,439.40-115,336.80

Finding the Fourth Proportional to 124,959.60, 187,439.40 and 115,336.80

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Solution

The fourth proportional to 124,959.60, 187,439.40 and 115,336.80 is: 173,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,959.60 : 187,439.40 = 115,336.80 : x
  2. Step 2: Convert to fraction form
    124,959.60/187,439.40 = 115,336.80/x
  3. Step 3: Cross multiply
    124,959.60x = 187,439.40 × 115,336.80
  4. Step 4: Simplify right side
    124,959.60x = 21,618,660,589.92
  5. Step 5: Solve for x
    x = 21,618,660,589.92/124,959.60
  6. Step 6: Final answer
    x = 173,005.20

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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.