Home / 140,654.10-194,102.70-76,993.26

Finding the Fourth Proportional to 140,654.10, 194,102.70 and 76,993.26

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Solution

The fourth proportional to 140,654.10, 194,102.70 and 76,993.26 is: 106,250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,654.10 : 194,102.70 = 76,993.26 : x
  2. Step 2: Convert to fraction form
    140,654.10/194,102.70 = 76,993.26/x
  3. Step 3: Cross multiply
    140,654.10x = 194,102.70 × 76,993.26
  4. Step 4: Simplify right side
    140,654.10x = 14,944,599,647.80
  5. Step 5: Solve for x
    x = 14,944,599,647.80/140,654.10
  6. Step 6: Final answer
    x = 106,250.72

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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.