Home / 222,384.42-306,890.64-126,921.87

Finding the Fourth Proportional to 222,384.42, 306,890.64 and 126,921.87

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Solution

The fourth proportional to 222,384.42, 306,890.64 and 126,921.87 is: 175,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,384.42 : 306,890.64 = 126,921.87 : x
  2. Step 2: Convert to fraction form
    222,384.42/306,890.64 = 126,921.87/x
  3. Step 3: Cross multiply
    222,384.42x = 306,890.64 × 126,921.87
  4. Step 4: Simplify right side
    222,384.42x = 38,951,133,914.30
  5. Step 5: Solve for x
    x = 38,951,133,914.30/222,384.42
  6. Step 6: Final answer
    x = 175,152.26

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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.