Home / 192,002.78-264,964-107,119.86

Finding the Fourth Proportional to 192,002.78, 264,964 and 107,119.86

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Solution

The fourth proportional to 192,002.78, 264,964 and 107,119.86 is: 147,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,002.78 : 264,964 = 107,119.86 : x
  2. Step 2: Convert to fraction form
    192,002.78/264,964 = 107,119.86/x
  3. Step 3: Cross multiply
    192,002.78x = 264,964 × 107,119.86
  4. Step 4: Simplify right side
    192,002.78x = 28,382,906,585.04
  5. Step 5: Solve for x
    x = 28,382,906,585.04/192,002.78
  6. Step 6: Final answer
    x = 147,825.50

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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.