Home / 143,792.20-215,688.30-108,800.20

Finding the Fourth Proportional to 143,792.20, 215,688.30 and 108,800.20

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Solution

The fourth proportional to 143,792.20, 215,688.30 and 108,800.20 is: 163,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,792.20 : 215,688.30 = 108,800.20 : x
  2. Step 2: Convert to fraction form
    143,792.20/215,688.30 = 108,800.20/x
  3. Step 3: Cross multiply
    143,792.20x = 215,688.30 × 108,800.20
  4. Step 4: Simplify right side
    143,792.20x = 23,466,930,177.66
  5. Step 5: Solve for x
    x = 23,466,930,177.66/143,792.20
  6. Step 6: Final answer
    x = 163,200.30

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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.