Home / 165,224.10-247,696.83-71,659.38

Finding the Fourth Proportional to 165,224.10, 247,696.83 and 71,659.38

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Solution

The fourth proportional to 165,224.10, 247,696.83 and 71,659.38 is: 107,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,224.10 : 247,696.83 = 71,659.38 : x
  2. Step 2: Convert to fraction form
    165,224.10/247,696.83 = 71,659.38/x
  3. Step 3: Cross multiply
    165,224.10x = 247,696.83 × 71,659.38
  4. Step 4: Simplify right side
    165,224.10x = 17,749,801,265.77
  5. Step 5: Solve for x
    x = 17,749,801,265.77/165,224.10
  6. Step 6: Final answer
    x = 107,428.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.