Home / 140,742.52-194,226.33-77,083

Finding the Fourth Proportional to 140,742.52, 194,226.33 and 77,083

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Solution

The fourth proportional to 140,742.52, 194,226.33 and 77,083 is: 106,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,742.52 : 194,226.33 = 77,083 : x
  2. Step 2: Convert to fraction form
    140,742.52/194,226.33 = 77,083/x
  3. Step 3: Cross multiply
    140,742.52x = 194,226.33 × 77,083
  4. Step 4: Simplify right side
    140,742.52x = 14,971,548,195.39
  5. Step 5: Solve for x
    x = 14,971,548,195.39/140,742.52
  6. Step 6: Final answer
    x = 106,375.44

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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.