Home / 95,469.10-142,912.05-74,473.90

Finding the Fourth Proportional to 95,469.10, 142,912.05 and 74,473.90

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Solution

The fourth proportional to 95,469.10, 142,912.05 and 74,473.90 is: 111,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,469.10 : 142,912.05 = 74,473.90 : x
  2. Step 2: Convert to fraction form
    95,469.10/142,912.05 = 74,473.90/x
  3. Step 3: Cross multiply
    95,469.10x = 142,912.05 × 74,473.90
  4. Step 4: Simplify right side
    95,469.10x = 10,643,217,720.50
  5. Step 5: Solve for x
    x = 10,643,217,720.50/95,469.10
  6. Step 6: Final answer
    x = 111,483.38

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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.