Home / 215,964.96-298,045.36-120,471.46

Finding the Fourth Proportional to 215,964.96, 298,045.36 and 120,471.46

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Solution

The fourth proportional to 215,964.96, 298,045.36 and 120,471.46 is: 166,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,964.96 : 298,045.36 = 120,471.46 : x
  2. Step 2: Convert to fraction form
    215,964.96/298,045.36 = 120,471.46/x
  3. Step 3: Cross multiply
    215,964.96x = 298,045.36 × 120,471.46
  4. Step 4: Simplify right side
    215,964.96x = 35,905,959,665.43
  5. Step 5: Solve for x
    x = 35,905,959,665.43/215,964.96
  6. Step 6: Final answer
    x = 166,258.27

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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.