Home / 148,102.80-204,380.94-80,119.50

Finding the Fourth Proportional to 148,102.80, 204,380.94 and 80,119.50

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Solution

The fourth proportional to 148,102.80, 204,380.94 and 80,119.50 is: 110,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,102.80 : 204,380.94 = 80,119.50 : x
  2. Step 2: Convert to fraction form
    148,102.80/204,380.94 = 80,119.50/x
  3. Step 3: Cross multiply
    148,102.80x = 204,380.94 × 80,119.50
  4. Step 4: Simplify right side
    148,102.80x = 16,374,898,722.33
  5. Step 5: Solve for x
    x = 16,374,898,722.33/148,102.80
  6. Step 6: Final answer
    x = 110,564.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.