Home / 250,003.28-345,013.32-136,826

Finding the Fourth Proportional to 250,003.28, 345,013.32 and 136,826

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Solution

The fourth proportional to 250,003.28, 345,013.32 and 136,826 is: 188,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,003.28 : 345,013.32 = 136,826 : x
  2. Step 2: Convert to fraction form
    250,003.28/345,013.32 = 136,826/x
  3. Step 3: Cross multiply
    250,003.28x = 345,013.32 × 136,826
  4. Step 4: Simplify right side
    250,003.28x = 47,206,792,522.32
  5. Step 5: Solve for x
    x = 47,206,792,522.32/250,003.28
  6. Step 6: Final answer
    x = 188,824.69

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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.