Home / 250,161.78-345,223.38-135,440.46

Finding the Fourth Proportional to 250,161.78, 345,223.38 and 135,440.46

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Solution

The fourth proportional to 250,161.78, 345,223.38 and 135,440.46 is: 186,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,161.78 : 345,223.38 = 135,440.46 : x
  2. Step 2: Convert to fraction form
    250,161.78/345,223.38 = 135,440.46/x
  3. Step 3: Cross multiply
    250,161.78x = 345,223.38 × 135,440.46
  4. Step 4: Simplify right side
    250,161.78x = 46,757,213,389.95
  5. Step 5: Solve for x
    x = 46,757,213,389.95/250,161.78
  6. Step 6: Final answer
    x = 186,907.90

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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.