Home / 188,981.38-283,301.89-68,954.55

Finding the Fourth Proportional to 188,981.38, 283,301.89 and 68,954.55

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Solution

The fourth proportional to 188,981.38, 283,301.89 and 68,954.55 is: 103,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,981.38 : 283,301.89 = 68,954.55 : x
  2. Step 2: Convert to fraction form
    188,981.38/283,301.89 = 68,954.55/x
  3. Step 3: Cross multiply
    188,981.38x = 283,301.89 × 68,954.55
  4. Step 4: Simplify right side
    188,981.38x = 19,534,954,339.10
  5. Step 5: Solve for x
    x = 19,534,954,339.10/188,981.38
  6. Step 6: Final answer
    x = 103,369.73

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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.