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Finding the Fourth Proportional to 138,601.60, 207,513.60 and 134,713.60

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Solution

The fourth proportional to 138,601.60, 207,513.60 and 134,713.60 is: 201,692.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,601.60 : 207,513.60 = 134,713.60 : x
  2. Step 2: Convert to fraction form
    138,601.60/207,513.60 = 134,713.60/x
  3. Step 3: Cross multiply
    138,601.60x = 207,513.60 × 134,713.60
  4. Step 4: Simplify right side
    138,601.60x = 27,954,904,104.96
  5. Step 5: Solve for x
    x = 27,954,904,104.96/138,601.60
  6. Step 6: Final answer
    x = 201,692.51

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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.