Home / 90,513.76-124,912.92-60,250.36

Finding the Fourth Proportional to 90,513.76, 124,912.92 and 60,250.36

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Solution

The fourth proportional to 90,513.76, 124,912.92 and 60,250.36 is: 83,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,513.76 : 124,912.92 = 60,250.36 : x
  2. Step 2: Convert to fraction form
    90,513.76/124,912.92 = 60,250.36/x
  3. Step 3: Cross multiply
    90,513.76x = 124,912.92 × 60,250.36
  4. Step 4: Simplify right side
    90,513.76x = 7,526,048,398.65
  5. Step 5: Solve for x
    x = 7,526,048,398.65/90,513.76
  6. Step 6: Final answer
    x = 83,148.11

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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.