Home / 110,091.28-165,151.28-31,207.57

Finding the Fourth Proportional to 110,091.28, 165,151.28 and 31,207.57

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Solution

The fourth proportional to 110,091.28, 165,151.28 and 31,207.57 is: 46,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,091.28 : 165,151.28 = 31,207.57 : x
  2. Step 2: Convert to fraction form
    110,091.28/165,151.28 = 31,207.57/x
  3. Step 3: Cross multiply
    110,091.28x = 165,151.28 × 31,207.57
  4. Step 4: Simplify right side
    110,091.28x = 5,153,969,149.40
  5. Step 5: Solve for x
    x = 5,153,969,149.40/110,091.28
  6. Step 6: Final answer
    x = 46,815.42

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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.