Home / 240,108.30-360,180.68-71,615.44

Finding the Fourth Proportional to 240,108.30, 360,180.68 and 71,615.44

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Solution

The fourth proportional to 240,108.30, 360,180.68 and 71,615.44 is: 107,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,108.30 : 360,180.68 = 71,615.44 : x
  2. Step 2: Convert to fraction form
    240,108.30/360,180.68 = 71,615.44/x
  3. Step 3: Cross multiply
    240,108.30x = 360,180.68 × 71,615.44
  4. Step 4: Simplify right side
    240,108.30x = 25,794,497,969.85
  5. Step 5: Solve for x
    x = 25,794,497,969.85/240,108.30
  6. Step 6: Final answer
    x = 107,428.60

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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.