Home / 221,738.94-305,995.05-126,244.26

Finding the Fourth Proportional to 221,738.94, 305,995.05 and 126,244.26

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Solution

The fourth proportional to 221,738.94, 305,995.05 and 126,244.26 is: 174,214.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,738.94 : 305,995.05 = 126,244.26 : x
  2. Step 2: Convert to fraction form
    221,738.94/305,995.05 = 126,244.26/x
  3. Step 3: Cross multiply
    221,738.94x = 305,995.05 × 126,244.26
  4. Step 4: Simplify right side
    221,738.94x = 38,630,118,650.91
  5. Step 5: Solve for x
    x = 38,630,118,650.91/221,738.94
  6. Step 6: Final answer
    x = 174,214.41

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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.