Home / 89,954.20-134,844.90-69,952.60

Finding the Fourth Proportional to 89,954.20, 134,844.90 and 69,952.60

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Solution

The fourth proportional to 89,954.20, 134,844.90 and 69,952.60 is: 104,861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,954.20 : 134,844.90 = 69,952.60 : x
  2. Step 2: Convert to fraction form
    89,954.20/134,844.90 = 69,952.60/x
  3. Step 3: Cross multiply
    89,954.20x = 134,844.90 × 69,952.60
  4. Step 4: Simplify right side
    89,954.20x = 9,432,751,351.74
  5. Step 5: Solve for x
    x = 9,432,751,351.74/89,954.20
  6. Step 6: Final answer
    x = 104,861.71

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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.