Home / 219,409.64-329,046.38-79,149.96

Finding the Fourth Proportional to 219,409.64, 329,046.38 and 79,149.96

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Solution

The fourth proportional to 219,409.64, 329,046.38 and 79,149.96 is: 118,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,409.64 : 329,046.38 = 79,149.96 : x
  2. Step 2: Convert to fraction form
    219,409.64/329,046.38 = 79,149.96/x
  3. Step 3: Cross multiply
    219,409.64x = 329,046.38 × 79,149.96
  4. Step 4: Simplify right side
    219,409.64x = 26,044,007,815.14
  5. Step 5: Solve for x
    x = 26,044,007,815.14/219,409.64
  6. Step 6: Final answer
    x = 118,700.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.