Home / 165,114.78-227,859.66-89,663.28

Finding the Fourth Proportional to 165,114.78, 227,859.66 and 89,663.28

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Solution

The fourth proportional to 165,114.78, 227,859.66 and 89,663.28 is: 123,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,114.78 : 227,859.66 = 89,663.28 : x
  2. Step 2: Convert to fraction form
    165,114.78/227,859.66 = 89,663.28/x
  3. Step 3: Cross multiply
    165,114.78x = 227,859.66 × 89,663.28
  4. Step 4: Simplify right side
    165,114.78x = 20,430,644,495.28
  5. Step 5: Solve for x
    x = 20,430,644,495.28/165,114.78
  6. Step 6: Final answer
    x = 123,736.01

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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.