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Finding the Fourth Proportional to 168,319.80, 252,042.30 and 133,036.20

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Solution

The fourth proportional to 168,319.80, 252,042.30 and 133,036.20 is: 199,208.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,319.80 : 252,042.30 = 133,036.20 : x
  2. Step 2: Convert to fraction form
    168,319.80/252,042.30 = 133,036.20/x
  3. Step 3: Cross multiply
    168,319.80x = 252,042.30 × 133,036.20
  4. Step 4: Simplify right side
    168,319.80x = 33,530,749,831.26
  5. Step 5: Solve for x
    x = 33,530,749,831.26/168,319.80
  6. Step 6: Final answer
    x = 199,208.59

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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.