Home / 192,679.06-288,819.93-80,424.60

Finding the Fourth Proportional to 192,679.06, 288,819.93 and 80,424.60

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Solution

The fourth proportional to 192,679.06, 288,819.93 and 80,424.60 is: 120,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,679.06 : 288,819.93 = 80,424.60 : x
  2. Step 2: Convert to fraction form
    192,679.06/288,819.93 = 80,424.60/x
  3. Step 3: Cross multiply
    192,679.06x = 288,819.93 × 80,424.60
  4. Step 4: Simplify right side
    192,679.06x = 23,228,227,342.28
  5. Step 5: Solve for x
    x = 23,228,227,342.28/192,679.06
  6. Step 6: Final answer
    x = 120,553.98

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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.