Home / 192,501.75-288,801.84-80,144.62

Finding the Fourth Proportional to 192,501.75, 288,801.84 and 80,144.62

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Solution

The fourth proportional to 192,501.75, 288,801.84 and 80,144.62 is: 120,237.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,501.75 : 288,801.84 = 80,144.62 : x
  2. Step 2: Convert to fraction form
    192,501.75/288,801.84 = 80,144.62/x
  3. Step 3: Cross multiply
    192,501.75x = 288,801.84 × 80,144.62
  4. Step 4: Simplify right side
    192,501.75x = 23,145,914,474.34
  5. Step 5: Solve for x
    x = 23,145,914,474.34/192,501.75
  6. Step 6: Final answer
    x = 120,237.42

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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.