Home / 140,515.46-193,914.65-80,091.71

Finding the Fourth Proportional to 140,515.46, 193,914.65 and 80,091.71

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Solution

The fourth proportional to 140,515.46, 193,914.65 and 80,091.71 is: 110,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,515.46 : 193,914.65 = 80,091.71 : x
  2. Step 2: Convert to fraction form
    140,515.46/193,914.65 = 80,091.71/x
  3. Step 3: Cross multiply
    140,515.46x = 193,914.65 × 80,091.71
  4. Step 4: Simplify right side
    140,515.46x = 15,530,955,912.55
  5. Step 5: Solve for x
    x = 15,530,955,912.55/140,515.46
  6. Step 6: Final answer
    x = 110,528.45

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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.