Home / 140,996.30-194,587.38-77,346.50

Finding the Fourth Proportional to 140,996.30, 194,587.38 and 77,346.50

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Solution

The fourth proportional to 140,996.30, 194,587.38 and 77,346.50 is: 106,745.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,996.30 : 194,587.38 = 77,346.50 : x
  2. Step 2: Convert to fraction form
    140,996.30/194,587.38 = 77,346.50/x
  3. Step 3: Cross multiply
    140,996.30x = 194,587.38 × 77,346.50
  4. Step 4: Simplify right side
    140,996.30x = 15,050,652,787.17
  5. Step 5: Solve for x
    x = 15,050,652,787.17/140,996.30
  6. Step 6: Final answer
    x = 106,745.02

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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.