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Finding the Fourth Proportional to 133,444.80, 199,883.52 and 108,367.20

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Solution

The fourth proportional to 133,444.80, 199,883.52 and 108,367.20 is: 162,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,444.80 : 199,883.52 = 108,367.20 : x
  2. Step 2: Convert to fraction form
    133,444.80/199,883.52 = 108,367.20/x
  3. Step 3: Cross multiply
    133,444.80x = 199,883.52 × 108,367.20
  4. Step 4: Simplify right side
    133,444.80x = 21,660,817,388.54
  5. Step 5: Solve for x
    x = 21,660,817,388.54/133,444.80
  6. Step 6: Final answer
    x = 162,320.43

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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.