Home / 165,114.36-227,857.86-89,662.86

Finding the Fourth Proportional to 165,114.36, 227,857.86 and 89,662.86

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Solution

The fourth proportional to 165,114.36, 227,857.86 and 89,662.86 is: 123,734.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,114.36 : 227,857.86 = 89,662.86 : x
  2. Step 2: Convert to fraction form
    165,114.36/227,857.86 = 89,662.86/x
  3. Step 3: Cross multiply
    165,114.36x = 227,857.86 × 89,662.86
  4. Step 4: Simplify right side
    165,114.36x = 20,430,387,401.08
  5. Step 5: Solve for x
    x = 20,430,387,401.08/165,114.36
  6. Step 6: Final answer
    x = 123,734.77

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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.