Home / 192,694.20-288,846.90-87,588.60

Finding the Fourth Proportional to 192,694.20, 288,846.90 and 87,588.60

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Solution

The fourth proportional to 192,694.20, 288,846.90 and 87,588.60 is: 131,294.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,694.20 : 288,846.90 = 87,588.60 : x
  2. Step 2: Convert to fraction form
    192,694.20/288,846.90 = 87,588.60/x
  3. Step 3: Cross multiply
    192,694.20x = 288,846.90 × 87,588.60
  4. Step 4: Simplify right side
    192,694.20x = 25,299,695,585.34
  5. Step 5: Solve for x
    x = 25,299,695,585.34/192,694.20
  6. Step 6: Final answer
    x = 131,294.54

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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.