Home / 192,929.90-289,394.97-80,548.86

Finding the Fourth Proportional to 192,929.90, 289,394.97 and 80,548.86

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Solution

The fourth proportional to 192,929.90, 289,394.97 and 80,548.86 is: 120,823.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,929.90 : 289,394.97 = 80,548.86 : x
  2. Step 2: Convert to fraction form
    192,929.90/289,394.97 = 80,548.86/x
  3. Step 3: Cross multiply
    192,929.90x = 289,394.97 × 80,548.86
  4. Step 4: Simplify right side
    192,929.90x = 23,310,434,923.23
  5. Step 5: Solve for x
    x = 23,310,434,923.23/192,929.90
  6. Step 6: Final answer
    x = 120,823.34

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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.