Home / 130,414.40-195,621.60-124,290.80

Finding the Fourth Proportional to 130,414.40, 195,621.60 and 124,290.80

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Solution

The fourth proportional to 130,414.40, 195,621.60 and 124,290.80 is: 186,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,414.40 : 195,621.60 = 124,290.80 : x
  2. Step 2: Convert to fraction form
    130,414.40/195,621.60 = 124,290.80/x
  3. Step 3: Cross multiply
    130,414.40x = 195,621.60 × 124,290.80
  4. Step 4: Simplify right side
    130,414.40x = 24,313,965,161.28
  5. Step 5: Solve for x
    x = 24,313,965,161.28/130,414.40
  6. Step 6: Final answer
    x = 186,436.20

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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.