Home / 140,922.60-194,474.78-80,501.24

Finding the Fourth Proportional to 140,922.60, 194,474.78 and 80,501.24

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Solution

The fourth proportional to 140,922.60, 194,474.78 and 80,501.24 is: 111,092.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,922.60 : 194,474.78 = 80,501.24 : x
  2. Step 2: Convert to fraction form
    140,922.60/194,474.78 = 80,501.24/x
  3. Step 3: Cross multiply
    140,922.60x = 194,474.78 × 80,501.24
  4. Step 4: Simplify right side
    140,922.60x = 15,655,460,938.73
  5. Step 5: Solve for x
    x = 15,655,460,938.73/140,922.60
  6. Step 6: Final answer
    x = 111,092.62

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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.