Home / 219,402.03-329,103.09-79,160.61

Finding the Fourth Proportional to 219,402.03, 329,103.09 and 79,160.61

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Solution

The fourth proportional to 219,402.03, 329,103.09 and 79,160.61 is: 118,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,402.03 : 329,103.09 = 79,160.61 : x
  2. Step 2: Convert to fraction form
    219,402.03/329,103.09 = 79,160.61/x
  3. Step 3: Cross multiply
    219,402.03x = 329,103.09 × 79,160.61
  4. Step 4: Simplify right side
    219,402.03x = 26,052,001,357.28
  5. Step 5: Solve for x
    x = 26,052,001,357.28/219,402.03
  6. Step 6: Final answer
    x = 118,740.93

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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.