Home / 149,442.80-206,236.33-84,911.11

Finding the Fourth Proportional to 149,442.80, 206,236.33 and 84,911.11

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Solution

The fourth proportional to 149,442.80, 206,236.33 and 84,911.11 is: 117,180.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,442.80 : 206,236.33 = 84,911.11 : x
  2. Step 2: Convert to fraction form
    149,442.80/206,236.33 = 84,911.11/x
  3. Step 3: Cross multiply
    149,442.80x = 206,236.33 × 84,911.11
  4. Step 4: Simplify right side
    149,442.80x = 17,511,754,974.76
  5. Step 5: Solve for x
    x = 17,511,754,974.76/149,442.80
  6. Step 6: Final answer
    x = 117,180.32

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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.