Home / 221,785.42-306,063.57-126,292.11

Finding the Fourth Proportional to 221,785.42, 306,063.57 and 126,292.11

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Solution

The fourth proportional to 221,785.42, 306,063.57 and 126,292.11 is: 174,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,785.42 : 306,063.57 = 126,292.11 : x
  2. Step 2: Convert to fraction form
    221,785.42/306,063.57 = 126,292.11/x
  3. Step 3: Cross multiply
    221,785.42x = 306,063.57 × 126,292.11
  4. Step 4: Simplify right side
    221,785.42x = 38,653,414,905.61
  5. Step 5: Solve for x
    x = 38,653,414,905.61/221,785.42
  6. Step 6: Final answer
    x = 174,282.94

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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.