Home / 140,635.10-194,074.98-80,204.18

Finding the Fourth Proportional to 140,635.10, 194,074.98 and 80,204.18

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Solution

The fourth proportional to 140,635.10, 194,074.98 and 80,204.18 is: 110,680.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,635.10 : 194,074.98 = 80,204.18 : x
  2. Step 2: Convert to fraction form
    140,635.10/194,074.98 = 80,204.18/x
  3. Step 3: Cross multiply
    140,635.10x = 194,074.98 × 80,204.18
  4. Step 4: Simplify right side
    140,635.10x = 15,565,624,629.42
  5. Step 5: Solve for x
    x = 15,565,624,629.42/140,635.10
  6. Step 6: Final answer
    x = 110,680.94

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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.