Home / 89,169.76-133,680.78-69,535.36

Finding the Fourth Proportional to 89,169.76, 133,680.78 and 69,535.36

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Solution

The fourth proportional to 89,169.76, 133,680.78 and 69,535.36 is: 104,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,169.76 : 133,680.78 = 69,535.36 : x
  2. Step 2: Convert to fraction form
    89,169.76/133,680.78 = 69,535.36/x
  3. Step 3: Cross multiply
    89,169.76x = 133,680.78 × 69,535.36
  4. Step 4: Simplify right side
    89,169.76x = 9,295,541,162.38
  5. Step 5: Solve for x
    x = 9,295,541,162.38/89,169.76
  6. Step 6: Final answer
    x = 104,245.44

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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.