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Finding the Fourth Proportional to 132,940.40, 199,410.60 and 101,447.60

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Solution

The fourth proportional to 132,940.40, 199,410.60 and 101,447.60 is: 152,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,940.40 : 199,410.60 = 101,447.60 : x
  2. Step 2: Convert to fraction form
    132,940.40/199,410.60 = 101,447.60/x
  3. Step 3: Cross multiply
    132,940.40x = 199,410.60 × 101,447.60
  4. Step 4: Simplify right side
    132,940.40x = 20,229,726,784.56
  5. Step 5: Solve for x
    x = 20,229,726,784.56/132,940.40
  6. Step 6: Final answer
    x = 152,171.40

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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.