Home / 222,696.30-306,908.70-158,168.34

Finding the Fourth Proportional to 222,696.30, 306,908.70 and 158,168.34

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Solution

The fourth proportional to 222,696.30, 306,908.70 and 158,168.34 is: 217,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,696.30 : 306,908.70 = 158,168.34 : x
  2. Step 2: Convert to fraction form
    222,696.30/306,908.70 = 158,168.34/x
  3. Step 3: Cross multiply
    222,696.30x = 306,908.70 × 158,168.34
  4. Step 4: Simplify right side
    222,696.30x = 48,543,239,610.56
  5. Step 5: Solve for x
    x = 48,543,239,610.56/222,696.30
  6. Step 6: Final answer
    x = 217,979.55

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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.