Home / 143,823.76-198,483.60-80,162.04

Finding the Fourth Proportional to 143,823.76, 198,483.60 and 80,162.04

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Solution

The fourth proportional to 143,823.76, 198,483.60 and 80,162.04 is: 110,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,823.76 : 198,483.60 = 80,162.04 : x
  2. Step 2: Convert to fraction form
    143,823.76/198,483.60 = 80,162.04/x
  3. Step 3: Cross multiply
    143,823.76x = 198,483.60 × 80,162.04
  4. Step 4: Simplify right side
    143,823.76x = 15,910,850,282.54
  5. Step 5: Solve for x
    x = 15,910,850,282.54/143,823.76
  6. Step 6: Final answer
    x = 110,627.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.