Home / 149,892.24-206,893-86,250.56

Finding the Fourth Proportional to 149,892.24, 206,893 and 86,250.56

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Solution

The fourth proportional to 149,892.24, 206,893 and 86,250.56 is: 119,049.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,892.24 : 206,893 = 86,250.56 : x
  2. Step 2: Convert to fraction form
    149,892.24/206,893 = 86,250.56/x
  3. Step 3: Cross multiply
    149,892.24x = 206,893 × 86,250.56
  4. Step 4: Simplify right side
    149,892.24x = 17,844,637,110.08
  5. Step 5: Solve for x
    x = 17,844,637,110.08/149,892.24
  6. Step 6: Final answer
    x = 119,049.77

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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.