Home / 146,199.12-201,755.39-79,131.12

Finding the Fourth Proportional to 146,199.12, 201,755.39 and 79,131.12

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Solution

The fourth proportional to 146,199.12, 201,755.39 and 79,131.12 is: 109,201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,199.12 : 201,755.39 = 79,131.12 : x
  2. Step 2: Convert to fraction form
    146,199.12/201,755.39 = 79,131.12/x
  3. Step 3: Cross multiply
    146,199.12x = 201,755.39 × 79,131.12
  4. Step 4: Simplify right side
    146,199.12x = 15,965,129,581.08
  5. Step 5: Solve for x
    x = 15,965,129,581.08/146,199.12
  6. Step 6: Final answer
    x = 109,201.27

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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.