Home / 221,519.56-305,722.62-126,041.23

Finding the Fourth Proportional to 221,519.56, 305,722.62 and 126,041.23

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Solution

The fourth proportional to 221,519.56, 305,722.62 and 126,041.23 is: 173,951.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,519.56 : 305,722.62 = 126,041.23 : x
  2. Step 2: Convert to fraction form
    221,519.56/305,722.62 = 126,041.23/x
  3. Step 3: Cross multiply
    221,519.56x = 305,722.62 × 126,041.23
  4. Step 4: Simplify right side
    221,519.56x = 38,533,655,063.62
  5. Step 5: Solve for x
    x = 38,533,655,063.62/221,519.56
  6. Step 6: Final answer
    x = 173,951.48

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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.