Home / 180,042.40-270,233.20-91,359.54

Finding the Fourth Proportional to 180,042.40, 270,233.20 and 91,359.54

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Solution

The fourth proportional to 180,042.40, 270,233.20 and 91,359.54 is: 137,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,042.40 : 270,233.20 = 91,359.54 : x
  2. Step 2: Convert to fraction form
    180,042.40/270,233.20 = 91,359.54/x
  3. Step 3: Cross multiply
    180,042.40x = 270,233.20 × 91,359.54
  4. Step 4: Simplify right side
    180,042.40x = 24,688,380,844.73
  5. Step 5: Solve for x
    x = 24,688,380,844.73/180,042.40
  6. Step 6: Final answer
    x = 137,125.37

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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.