Home / 109,391.39-150,946.49-60,981.44

Finding the Fourth Proportional to 109,391.39, 150,946.49 and 60,981.44

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Solution

The fourth proportional to 109,391.39, 150,946.49 and 60,981.44 is: 84,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,391.39 : 150,946.49 = 60,981.44 : x
  2. Step 2: Convert to fraction form
    109,391.39/150,946.49 = 60,981.44/x
  3. Step 3: Cross multiply
    109,391.39x = 150,946.49 × 60,981.44
  4. Step 4: Simplify right side
    109,391.39x = 9,204,933,720.87
  5. Step 5: Solve for x
    x = 9,204,933,720.87/109,391.39
  6. Step 6: Final answer
    x = 84,146.79

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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.