Home / 192,548.70-288,872.40-80,191.56

Finding the Fourth Proportional to 192,548.70, 288,872.40 and 80,191.56

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Solution

The fourth proportional to 192,548.70, 288,872.40 and 80,191.56 is: 120,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,548.70 : 288,872.40 = 80,191.56 : x
  2. Step 2: Convert to fraction form
    192,548.70/288,872.40 = 80,191.56/x
  3. Step 3: Cross multiply
    192,548.70x = 288,872.40 × 80,191.56
  4. Step 4: Simplify right side
    192,548.70x = 23,165,128,396.94
  5. Step 5: Solve for x
    x = 23,165,128,396.94/192,548.70
  6. Step 6: Final answer
    x = 120,307.89

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1.5x scale

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.