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Finding the Fourth Proportional to 192,604.14, 265,794.42 and 107,715.78

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Solution

The fourth proportional to 192,604.14, 265,794.42 and 107,715.78 is: 148,648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,604.14 : 265,794.42 = 107,715.78 : x
  2. Step 2: Convert to fraction form
    192,604.14/265,794.42 = 107,715.78/x
  3. Step 3: Cross multiply
    192,604.14x = 265,794.42 × 107,715.78
  4. Step 4: Simplify right side
    192,604.14x = 28,630,253,269.95
  5. Step 5: Solve for x
    x = 28,630,253,269.95/192,604.14
  6. Step 6: Final answer
    x = 148,648.17

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1.5x scale

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.