Home / 148,102.82-204,380.93-80,119.52

Finding the Fourth Proportional to 148,102.82, 204,380.93 and 80,119.52

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Solution

The fourth proportional to 148,102.82, 204,380.93 and 80,119.52 is: 110,564.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,102.82 : 204,380.93 = 80,119.52 : x
  2. Step 2: Convert to fraction form
    148,102.82/204,380.93 = 80,119.52/x
  3. Step 3: Cross multiply
    148,102.82x = 204,380.93 × 80,119.52
  4. Step 4: Simplify right side
    148,102.82x = 16,374,901,187.15
  5. Step 5: Solve for x
    x = 16,374,901,187.15/148,102.82
  6. Step 6: Final answer
    x = 110,564.42

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1.5x scale

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.