Home / 221,546.75-305,769.94-126,084.20

Finding the Fourth Proportional to 221,546.75, 305,769.94 and 126,084.20

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Solution

The fourth proportional to 221,546.75, 305,769.94 and 126,084.20 is: 174,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,546.75 : 305,769.94 = 126,084.20 : x
  2. Step 2: Convert to fraction form
    221,546.75/305,769.94 = 126,084.20/x
  3. Step 3: Cross multiply
    221,546.75x = 305,769.94 × 126,084.20
  4. Step 4: Simplify right side
    221,546.75x = 38,552,756,424.89
  5. Step 5: Solve for x
    x = 38,552,756,424.89/221,546.75
  6. Step 6: Final answer
    x = 174,016.35

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1.5x scale

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.