Home / 165,123.60-227,940.31-111,481.28

Finding the Fourth Proportional to 165,123.60, 227,940.31 and 111,481.28

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Solution

The fourth proportional to 165,123.60, 227,940.31 and 111,481.28 is: 153,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,123.60 : 227,940.31 = 111,481.28 : x
  2. Step 2: Convert to fraction form
    165,123.60/227,940.31 = 111,481.28/x
  3. Step 3: Cross multiply
    165,123.60x = 227,940.31 × 111,481.28
  4. Step 4: Simplify right side
    165,123.60x = 25,411,077,522.40
  5. Step 5: Solve for x
    x = 25,411,077,522.40/165,123.60
  6. Step 6: Final answer
    x = 153,891.25

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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.