Home / 146,728.80-220,107.78-53,241.84

Finding the Fourth Proportional to 146,728.80, 220,107.78 and 53,241.84

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Solution

The fourth proportional to 146,728.80, 220,107.78 and 53,241.84 is: 79,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,728.80 : 220,107.78 = 53,241.84 : x
  2. Step 2: Convert to fraction form
    146,728.80/220,107.78 = 53,241.84/x
  3. Step 3: Cross multiply
    146,728.80x = 220,107.78 × 53,241.84
  4. Step 4: Simplify right side
    146,728.80x = 11,718,943,205.52
  5. Step 5: Solve for x
    x = 11,718,943,205.52/146,728.80
  6. Step 6: Final answer
    x = 79,868.05

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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.