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Finding the Fourth Proportional to 134,662.80, 201,993.84 and 39,900.36

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Solution

The fourth proportional to 134,662.80, 201,993.84 and 39,900.36 is: 59,850.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,662.80 : 201,993.84 = 39,900.36 : x
  2. Step 2: Convert to fraction form
    134,662.80/201,993.84 = 39,900.36/x
  3. Step 3: Cross multiply
    134,662.80x = 201,993.84 × 39,900.36
  4. Step 4: Simplify right side
    134,662.80x = 8,059,626,933.78
  5. Step 5: Solve for x
    x = 8,059,626,933.78/134,662.80
  6. Step 6: Final answer
    x = 59,850.43

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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.