Home / 221,738.04-305,991.66-126,258.36

Finding the Fourth Proportional to 221,738.04, 305,991.66 and 126,258.36

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Solution

The fourth proportional to 221,738.04, 305,991.66 and 126,258.36 is: 174,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,738.04 : 305,991.66 = 126,258.36 : x
  2. Step 2: Convert to fraction form
    221,738.04/305,991.66 = 126,258.36/x
  3. Step 3: Cross multiply
    221,738.04x = 305,991.66 × 126,258.36
  4. Step 4: Simplify right side
    221,738.04x = 38,634,005,165.28
  5. Step 5: Solve for x
    x = 38,634,005,165.28/221,738.04
  6. Step 6: Final answer
    x = 174,232.64

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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.