Home / 140,734.60-194,236.41-80,307.79

Finding the Fourth Proportional to 140,734.60, 194,236.41 and 80,307.79

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Solution

The fourth proportional to 140,734.60, 194,236.41 and 80,307.79 is: 110,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,734.60 : 194,236.41 = 80,307.79 : x
  2. Step 2: Convert to fraction form
    140,734.60/194,236.41 = 80,307.79/x
  3. Step 3: Cross multiply
    140,734.60x = 194,236.41 × 80,307.79
  4. Step 4: Simplify right side
    140,734.60x = 15,598,696,640.20
  5. Step 5: Solve for x
    x = 15,598,696,640.20/140,734.60
  6. Step 6: Final answer
    x = 110,837.68

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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.