Home / 254,229.14-381,365.87-83,399.63

Finding the Fourth Proportional to 254,229.14, 381,365.87 and 83,399.63

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Solution

The fourth proportional to 254,229.14, 381,365.87 and 83,399.63 is: 125,106.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,229.14 : 381,365.87 = 83,399.63 : x
  2. Step 2: Convert to fraction form
    254,229.14/381,365.87 = 83,399.63/x
  3. Step 3: Cross multiply
    254,229.14x = 381,365.87 × 83,399.63
  4. Step 4: Simplify right side
    254,229.14x = 31,805,770,128.80
  5. Step 5: Solve for x
    x = 31,805,770,128.80/254,229.14
  6. Step 6: Final answer
    x = 125,106.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.