Home / 222,148.46-306,557.25-126,685.88

Finding the Fourth Proportional to 222,148.46, 306,557.25 and 126,685.88

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Solution

The fourth proportional to 222,148.46, 306,557.25 and 126,685.88 is: 174,822.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,148.46 : 306,557.25 = 126,685.88 : x
  2. Step 2: Convert to fraction form
    222,148.46/306,557.25 = 126,685.88/x
  3. Step 3: Cross multiply
    222,148.46x = 306,557.25 × 126,685.88
  4. Step 4: Simplify right side
    222,148.46x = 38,836,474,986.63
  5. Step 5: Solve for x
    x = 38,836,474,986.63/222,148.46
  6. Step 6: Final answer
    x = 174,822.17

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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.