Home / 74,231.10-111,200.85-68,982.30

Finding the Fourth Proportional to 74,231.10, 111,200.85 and 68,982.30

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Solution

The fourth proportional to 74,231.10, 111,200.85 and 68,982.30 is: 103,337.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,231.10 : 111,200.85 = 68,982.30 : x
  2. Step 2: Convert to fraction form
    74,231.10/111,200.85 = 68,982.30/x
  3. Step 3: Cross multiply
    74,231.10x = 111,200.85 × 68,982.30
  4. Step 4: Simplify right side
    74,231.10x = 7,670,890,394.96
  5. Step 5: Solve for x
    x = 7,670,890,394.96/74,231.10
  6. Step 6: Final answer
    x = 103,337.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.