Home / 208,856.20-312,862.92-96,380.16

Finding the Fourth Proportional to 208,856.20, 312,862.92 and 96,380.16

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Solution

The fourth proportional to 208,856.20, 312,862.92 and 96,380.16 is: 144,375.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,856.20 : 312,862.92 = 96,380.16 : x
  2. Step 2: Convert to fraction form
    208,856.20/312,862.92 = 96,380.16/x
  3. Step 3: Cross multiply
    208,856.20x = 312,862.92 × 96,380.16
  4. Step 4: Simplify right side
    208,856.20x = 30,153,778,287.67
  5. Step 5: Solve for x
    x = 30,153,778,287.67/208,856.20
  6. Step 6: Final answer
    x = 144,375.79

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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.