Home / 146,974.89-202,819.44-86,548.08

Finding the Fourth Proportional to 146,974.89, 202,819.44 and 86,548.08

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Solution

The fourth proportional to 146,974.89, 202,819.44 and 86,548.08 is: 119,432.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,974.89 : 202,819.44 = 86,548.08 : x
  2. Step 2: Convert to fraction form
    146,974.89/202,819.44 = 86,548.08/x
  3. Step 3: Cross multiply
    146,974.89x = 202,819.44 × 86,548.08
  4. Step 4: Simplify right side
    146,974.89x = 17,553,633,118.68
  5. Step 5: Solve for x
    x = 17,553,633,118.68/146,974.89
  6. Step 6: Final answer
    x = 119,432.87

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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.