Home / 240,147.45-360,180.18-80,201.25

Finding the Fourth Proportional to 240,147.45, 360,180.18 and 80,201.25

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Solution

The fourth proportional to 240,147.45, 360,180.18 and 80,201.25 is: 120,288.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,147.45 : 360,180.18 = 80,201.25 : x
  2. Step 2: Convert to fraction form
    240,147.45/360,180.18 = 80,201.25/x
  3. Step 3: Cross multiply
    240,147.45x = 360,180.18 × 80,201.25
  4. Step 4: Simplify right side
    240,147.45x = 28,886,900,661.23
  5. Step 5: Solve for x
    x = 28,886,900,661.23/240,147.45
  6. Step 6: Final answer
    x = 120,288.18

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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.