Home / 140,869.44-194,401.55-77,207.09

Finding the Fourth Proportional to 140,869.44, 194,401.55 and 77,207.09

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Solution

The fourth proportional to 140,869.44, 194,401.55 and 77,207.09 is: 106,546.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,869.44 : 194,401.55 = 77,207.09 : x
  2. Step 2: Convert to fraction form
    140,869.44/194,401.55 = 77,207.09/x
  3. Step 3: Cross multiply
    140,869.44x = 194,401.55 × 77,207.09
  4. Step 4: Simplify right side
    140,869.44x = 15,009,177,188.00
  5. Step 5: Solve for x
    x = 15,009,177,188.00/140,869.44
  6. Step 6: Final answer
    x = 106,546.72

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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.