Home / 250,286.27-345,396.27-137,109.02

Finding the Fourth Proportional to 250,286.27, 345,396.27 and 137,109.02

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Solution

The fourth proportional to 250,286.27, 345,396.27 and 137,109.02 is: 189,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,286.27 : 345,396.27 = 137,109.02 : x
  2. Step 2: Convert to fraction form
    250,286.27/345,396.27 = 137,109.02/x
  3. Step 3: Cross multiply
    250,286.27x = 345,396.27 × 137,109.02
  4. Step 4: Simplify right side
    250,286.27x = 47,356,944,091.36
  5. Step 5: Solve for x
    x = 47,356,944,091.36/250,286.27
  6. Step 6: Final answer
    x = 189,211.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.