Home / 146,309.20-201,906.52-79,241.20

Finding the Fourth Proportional to 146,309.20, 201,906.52 and 79,241.20

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Solution

The fourth proportional to 146,309.20, 201,906.52 and 79,241.20 is: 109,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,309.20 : 201,906.52 = 79,241.20 : x
  2. Step 2: Convert to fraction form
    146,309.20/201,906.52 = 79,241.20/x
  3. Step 3: Cross multiply
    146,309.20x = 201,906.52 × 79,241.20
  4. Step 4: Simplify right side
    146,309.20x = 15,999,314,932.62
  5. Step 5: Solve for x
    x = 15,999,314,932.62/146,309.20
  6. Step 6: Final answer
    x = 109,352.76

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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.