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Finding the Fourth Proportional to 168,313.80, 252,033.30 and 133,030.20

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Solution

The fourth proportional to 168,313.80, 252,033.30 and 133,030.20 is: 199,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,313.80 : 252,033.30 = 133,030.20 : x
  2. Step 2: Convert to fraction form
    168,313.80/252,033.30 = 133,030.20/x
  3. Step 3: Cross multiply
    168,313.80x = 252,033.30 × 133,030.20
  4. Step 4: Simplify right side
    168,313.80x = 33,528,040,305.66
  5. Step 5: Solve for x
    x = 33,528,040,305.66/168,313.80
  6. Step 6: Final answer
    x = 199,199.59

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1.5x scale

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.