Home / 110,428.20-165,691.50-57,825.38

Finding the Fourth Proportional to 110,428.20, 165,691.50 and 57,825.38

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Solution

The fourth proportional to 110,428.20, 165,691.50 and 57,825.38 is: 86,763.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,428.20 : 165,691.50 = 57,825.38 : x
  2. Step 2: Convert to fraction form
    110,428.20/165,691.50 = 57,825.38/x
  3. Step 3: Cross multiply
    110,428.20x = 165,691.50 × 57,825.38
  4. Step 4: Simplify right side
    110,428.20x = 9,581,173,121.81
  5. Step 5: Solve for x
    x = 9,581,173,121.81/110,428.20
  6. Step 6: Final answer
    x = 86,763.83

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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.