Home / 250,605.21-345,833.67-135,882.72

Finding the Fourth Proportional to 250,605.21, 345,833.67 and 135,882.72

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Solution

The fourth proportional to 250,605.21, 345,833.67 and 135,882.72 is: 187,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,605.21 : 345,833.67 = 135,882.72 : x
  2. Step 2: Convert to fraction form
    250,605.21/345,833.67 = 135,882.72/x
  3. Step 3: Cross multiply
    250,605.21x = 345,833.67 × 135,882.72
  4. Step 4: Simplify right side
    250,605.21x = 46,992,819,747.18
  5. Step 5: Solve for x
    x = 46,992,819,747.18/250,605.21
  6. Step 6: Final answer
    x = 187,517.33

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1.5x scale

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.