Home / 149,887.29-206,844.48-82,819.29

Finding the Fourth Proportional to 149,887.29, 206,844.48 and 82,819.29

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Solution

The fourth proportional to 149,887.29, 206,844.48 and 82,819.29 is: 114,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,887.29 : 206,844.48 = 82,819.29 : x
  2. Step 2: Convert to fraction form
    149,887.29/206,844.48 = 82,819.29/x
  3. Step 3: Cross multiply
    149,887.29x = 206,844.48 × 82,819.29
  4. Step 4: Simplify right side
    149,887.29x = 17,130,712,974.02
  5. Step 5: Solve for x
    x = 17,130,712,974.02/149,887.29
  6. Step 6: Final answer
    x = 114,290.63

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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.