Home / 240,084.11-360,144.39-71,591.25

Finding the Fourth Proportional to 240,084.11, 360,144.39 and 71,591.25

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Solution

The fourth proportional to 240,084.11, 360,144.39 and 71,591.25 is: 107,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,084.11 : 360,144.39 = 71,591.25 : x
  2. Step 2: Convert to fraction form
    240,084.11/360,144.39 = 71,591.25/x
  3. Step 3: Cross multiply
    240,084.11x = 360,144.39 × 71,591.25
  4. Step 4: Simplify right side
    240,084.11x = 25,783,188,679.60
  5. Step 5: Solve for x
    x = 25,783,188,679.60/240,084.11
  6. Step 6: Final answer
    x = 107,392.32

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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.