Home / 254,065.37-381,098.06-67,078.49

Finding the Fourth Proportional to 254,065.37, 381,098.06 and 67,078.49

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Solution

The fourth proportional to 254,065.37, 381,098.06 and 67,078.49 is: 100,617.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,065.37 : 381,098.06 = 67,078.49 : x
  2. Step 2: Convert to fraction form
    254,065.37/381,098.06 = 67,078.49/x
  3. Step 3: Cross multiply
    254,065.37x = 381,098.06 × 67,078.49
  4. Step 4: Simplify right side
    254,065.37x = 25,563,480,165.85
  5. Step 5: Solve for x
    x = 25,563,480,165.85/254,065.37
  6. Step 6: Final answer
    x = 100,617.73

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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.