Home / 149,958.20-206,948.60-86,296.28

Finding the Fourth Proportional to 149,958.20, 206,948.60 and 86,296.28

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Solution

The fourth proportional to 149,958.20, 206,948.60 and 86,296.28 is: 119,092.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,958.20 : 206,948.60 = 86,296.28 : x
  2. Step 2: Convert to fraction form
    149,958.20/206,948.60 = 86,296.28/x
  3. Step 3: Cross multiply
    149,958.20x = 206,948.60 × 86,296.28
  4. Step 4: Simplify right side
    149,958.20x = 17,858,894,331.21
  5. Step 5: Solve for x
    x = 17,858,894,331.21/149,958.20
  6. Step 6: Final answer
    x = 119,092.48

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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.