Home / 254,165.37-381,250.79-76,673.91

Finding the Fourth Proportional to 254,165.37, 381,250.79 and 76,673.91

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Solution

The fourth proportional to 254,165.37, 381,250.79 and 76,673.91 is: 115,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,165.37 : 381,250.79 = 76,673.91 : x
  2. Step 2: Convert to fraction form
    254,165.37/381,250.79 = 76,673.91/x
  3. Step 3: Cross multiply
    254,165.37x = 381,250.79 × 76,673.91
  4. Step 4: Simplify right side
    254,165.37x = 29,231,990,093.74
  5. Step 5: Solve for x
    x = 29,231,990,093.74/254,165.37
  6. Step 6: Final answer
    x = 115,011.70

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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.