Home / 146,734.75-202,494.77-79,666.75

Finding the Fourth Proportional to 146,734.75, 202,494.77 and 79,666.75

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Solution

The fourth proportional to 146,734.75, 202,494.77 and 79,666.75 is: 109,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,734.75 : 202,494.77 = 79,666.75 : x
  2. Step 2: Convert to fraction form
    146,734.75/202,494.77 = 79,666.75/x
  3. Step 3: Cross multiply
    146,734.75x = 202,494.77 × 79,666.75
  4. Step 4: Simplify right side
    146,734.75x = 16,132,100,217.90
  5. Step 5: Solve for x
    x = 16,132,100,217.90/146,734.75
  6. Step 6: Final answer
    x = 109,940.56

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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.