Home / 188,159.06-259,781.10-116,615

Finding the Fourth Proportional to 188,159.06, 259,781.10 and 116,615

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Solution

The fourth proportional to 188,159.06, 259,781.10 and 116,615 is: 161,004.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,159.06 : 259,781.10 = 116,615 : x
  2. Step 2: Convert to fraction form
    188,159.06/259,781.10 = 116,615/x
  3. Step 3: Cross multiply
    188,159.06x = 259,781.10 × 116,615
  4. Step 4: Simplify right side
    188,159.06x = 30,294,372,976.50
  5. Step 5: Solve for x
    x = 30,294,372,976.50/188,159.06
  6. Step 6: Final answer
    x = 161,004.06

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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.