Home / 192,005.78-264,968.14-107,122.86

Finding the Fourth Proportional to 192,005.78, 264,968.14 and 107,122.86

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Solution

The fourth proportional to 192,005.78, 264,968.14 and 107,122.86 is: 147,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,005.78 : 264,968.14 = 107,122.86 : x
  2. Step 2: Convert to fraction form
    192,005.78/264,968.14 = 107,122.86/x
  3. Step 3: Cross multiply
    192,005.78x = 264,968.14 × 107,122.86
  4. Step 4: Simplify right side
    192,005.78x = 28,384,144,965.68
  5. Step 5: Solve for x
    x = 28,384,144,965.68/192,005.78
  6. Step 6: Final answer
    x = 147,829.64

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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.