Home / 148,336.80-222,406.92-81,808.80

Finding the Fourth Proportional to 148,336.80, 222,406.92 and 81,808.80

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Solution

The fourth proportional to 148,336.80, 222,406.92 and 81,808.80 is: 122,659.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,336.80 : 222,406.92 = 81,808.80 : x
  2. Step 2: Convert to fraction form
    148,336.80/222,406.92 = 81,808.80/x
  3. Step 3: Cross multiply
    148,336.80x = 222,406.92 × 81,808.80
  4. Step 4: Simplify right side
    148,336.80x = 18,194,843,236.90
  5. Step 5: Solve for x
    x = 18,194,843,236.90/148,336.80
  6. Step 6: Final answer
    x = 122,659.00

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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.