Home / 166,764.18-229,979.08-154,379.28

Finding the Fourth Proportional to 166,764.18, 229,979.08 and 154,379.28

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Solution

The fourth proportional to 166,764.18, 229,979.08 and 154,379.28 is: 212,899.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,764.18 : 229,979.08 = 154,379.28 : x
  2. Step 2: Convert to fraction form
    166,764.18/229,979.08 = 154,379.28/x
  3. Step 3: Cross multiply
    166,764.18x = 229,979.08 × 154,379.28
  4. Step 4: Simplify right side
    166,764.18x = 35,504,003,249.62
  5. Step 5: Solve for x
    x = 35,504,003,249.62/166,764.18
  6. Step 6: Final answer
    x = 212,899.46

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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.