Home / 165,081.14-227,811.10-89,629.64

Finding the Fourth Proportional to 165,081.14, 227,811.10 and 89,629.64

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Solution

The fourth proportional to 165,081.14, 227,811.10 and 89,629.64 is: 123,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,081.14 : 227,811.10 = 89,629.64 : x
  2. Step 2: Convert to fraction form
    165,081.14/227,811.10 = 89,629.64/x
  3. Step 3: Cross multiply
    165,081.14x = 227,811.10 × 89,629.64
  4. Step 4: Simplify right side
    165,081.14x = 20,418,626,881.00
  5. Step 5: Solve for x
    x = 20,418,626,881.00/165,081.14
  6. Step 6: Final answer
    x = 123,688.43

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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.