Home / 219,917.36-329,876.04-126,363.44

Finding the Fourth Proportional to 219,917.36, 329,876.04 and 126,363.44

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Solution

The fourth proportional to 219,917.36, 329,876.04 and 126,363.44 is: 189,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,917.36 : 329,876.04 = 126,363.44 : x
  2. Step 2: Convert to fraction form
    219,917.36/329,876.04 = 126,363.44/x
  3. Step 3: Cross multiply
    219,917.36x = 329,876.04 × 126,363.44
  4. Step 4: Simplify right side
    219,917.36x = 41,684,271,187.98
  5. Step 5: Solve for x
    x = 41,684,271,187.98/219,917.36
  6. Step 6: Final answer
    x = 189,545.16

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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.