Home / 140,527.78-193,923.46-80,117.87

Finding the Fourth Proportional to 140,527.78, 193,923.46 and 80,117.87

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Solution

The fourth proportional to 140,527.78, 193,923.46 and 80,117.87 is: 110,559.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,527.78 : 193,923.46 = 80,117.87 : x
  2. Step 2: Convert to fraction form
    140,527.78/193,923.46 = 80,117.87/x
  3. Step 3: Cross multiply
    140,527.78x = 193,923.46 × 80,117.87
  4. Step 4: Simplify right side
    140,527.78x = 15,536,734,842.74
  5. Step 5: Solve for x
    x = 15,536,734,842.74/140,527.78
  6. Step 6: Final answer
    x = 110,559.88

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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.