Home / 140,317.56-193,573.26-80,667

Finding the Fourth Proportional to 140,317.56, 193,573.26 and 80,667

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Solution

The fourth proportional to 140,317.56, 193,573.26 and 80,667 is: 111,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,317.56 : 193,573.26 = 80,667 : x
  2. Step 2: Convert to fraction form
    140,317.56/193,573.26 = 80,667/x
  3. Step 3: Cross multiply
    140,317.56x = 193,573.26 × 80,667
  4. Step 4: Simplify right side
    140,317.56x = 15,614,974,164.42
  5. Step 5: Solve for x
    x = 15,614,974,164.42/140,317.56
  6. Step 6: Final answer
    x = 111,283.11

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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.