Home / 139,524.60-192,541.68-75,864

Finding the Fourth Proportional to 139,524.60, 192,541.68 and 75,864

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Solution

The fourth proportional to 139,524.60, 192,541.68 and 75,864 is: 104,691.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,524.60 : 192,541.68 = 75,864 : x
  2. Step 2: Convert to fraction form
    139,524.60/192,541.68 = 75,864/x
  3. Step 3: Cross multiply
    139,524.60x = 192,541.68 × 75,864
  4. Step 4: Simplify right side
    139,524.60x = 14,606,982,011.52
  5. Step 5: Solve for x
    x = 14,606,982,011.52/139,524.60
  6. Step 6: Final answer
    x = 104,691.09

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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.