Home / 189,954.42-262,151.33-108,284.62

Finding the Fourth Proportional to 189,954.42, 262,151.33 and 108,284.62

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Solution

The fourth proportional to 189,954.42, 262,151.33 and 108,284.62 is: 149,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,954.42 : 262,151.33 = 108,284.62 : x
  2. Step 2: Convert to fraction form
    189,954.42/262,151.33 = 108,284.62/x
  3. Step 3: Cross multiply
    189,954.42x = 262,151.33 × 108,284.62
  4. Step 4: Simplify right side
    189,954.42x = 28,386,957,644.43
  5. Step 5: Solve for x
    x = 28,386,957,644.43/189,954.42
  6. Step 6: Final answer
    x = 149,440.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.