Home / 102,736.52-154,153.66-71,195.12

Finding the Fourth Proportional to 102,736.52, 154,153.66 and 71,195.12

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Solution

The fourth proportional to 102,736.52, 154,153.66 and 71,195.12 is: 106,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,736.52 : 154,153.66 = 71,195.12 : x
  2. Step 2: Convert to fraction form
    102,736.52/154,153.66 = 71,195.12/x
  3. Step 3: Cross multiply
    102,736.52x = 154,153.66 × 71,195.12
  4. Step 4: Simplify right side
    102,736.52x = 10,974,988,529.54
  5. Step 5: Solve for x
    x = 10,974,988,529.54/102,736.52
  6. Step 6: Final answer
    x = 106,826.55

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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.