Home / 250,135.11-345,188.66-148,166.37

Finding the Fourth Proportional to 250,135.11, 345,188.66 and 148,166.37

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Solution

The fourth proportional to 250,135.11, 345,188.66 and 148,166.37 is: 204,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,135.11 : 345,188.66 = 148,166.37 : x
  2. Step 2: Convert to fraction form
    250,135.11/345,188.66 = 148,166.37/x
  3. Step 3: Cross multiply
    250,135.11x = 345,188.66 × 148,166.37
  4. Step 4: Simplify right side
    250,135.11x = 51,145,349,976.53
  5. Step 5: Solve for x
    x = 51,145,349,976.53/250,135.11
  6. Step 6: Final answer
    x = 204,470.90

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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.