Home / 135,965.40-203,948.10-133,049.40

Finding the Fourth Proportional to 135,965.40, 203,948.10 and 133,049.40

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Solution

The fourth proportional to 135,965.40, 203,948.10 and 133,049.40 is: 199,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,965.40 : 203,948.10 = 133,049.40 : x
  2. Step 2: Convert to fraction form
    135,965.40/203,948.10 = 133,049.40/x
  3. Step 3: Cross multiply
    135,965.40x = 203,948.10 × 133,049.40
  4. Step 4: Simplify right side
    135,965.40x = 27,135,172,336.14
  5. Step 5: Solve for x
    x = 27,135,172,336.14/135,965.40
  6. Step 6: Final answer
    x = 199,574.10

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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.