Home / 110,256.88-165,424.20-40,143.28

Finding the Fourth Proportional to 110,256.88, 165,424.20 and 40,143.28

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Solution

The fourth proportional to 110,256.88, 165,424.20 and 40,143.28 is: 60,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,256.88 : 165,424.20 = 40,143.28 : x
  2. Step 2: Convert to fraction form
    110,256.88/165,424.20 = 40,143.28/x
  3. Step 3: Cross multiply
    110,256.88x = 165,424.20 × 40,143.28
  4. Step 4: Simplify right side
    110,256.88x = 6,640,669,979.38
  5. Step 5: Solve for x
    x = 6,640,669,979.38/110,256.88
  6. Step 6: Final answer
    x = 60,229.08

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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.