Home / 123,433.92-170,338.83-66,845.31

Finding the Fourth Proportional to 123,433.92, 170,338.83 and 66,845.31

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Solution

The fourth proportional to 123,433.92, 170,338.83 and 66,845.31 is: 92,246.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,433.92 : 170,338.83 = 66,845.31 : x
  2. Step 2: Convert to fraction form
    123,433.92/170,338.83 = 66,845.31/x
  3. Step 3: Cross multiply
    123,433.92x = 170,338.83 × 66,845.31
  4. Step 4: Simplify right side
    123,433.92x = 11,386,351,896.39
  5. Step 5: Solve for x
    x = 11,386,351,896.39/123,433.92
  6. Step 6: Final answer
    x = 92,246.54

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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.