Home / 140,967.46-194,530.89-80,537.86

Finding the Fourth Proportional to 140,967.46, 194,530.89 and 80,537.86

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Solution

The fourth proportional to 140,967.46, 194,530.89 and 80,537.86 is: 111,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,967.46 : 194,530.89 = 80,537.86 : x
  2. Step 2: Convert to fraction form
    140,967.46/194,530.89 = 80,537.86/x
  3. Step 3: Cross multiply
    140,967.46x = 194,530.89 × 80,537.86
  4. Step 4: Simplify right side
    140,967.46x = 15,667,101,584.50
  5. Step 5: Solve for x
    x = 15,667,101,584.50/140,967.46
  6. Step 6: Final answer
    x = 111,139.84

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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.