Home / 119,949.75-165,545.25-69,648.75

Finding the Fourth Proportional to 119,949.75, 165,545.25 and 69,648.75

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Solution

The fourth proportional to 119,949.75, 165,545.25 and 69,648.75 is: 96,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,949.75 : 165,545.25 = 69,648.75 : x
  2. Step 2: Convert to fraction form
    119,949.75/165,545.25 = 69,648.75/x
  3. Step 3: Cross multiply
    119,949.75x = 165,545.25 × 69,648.75
  4. Step 4: Simplify right side
    119,949.75x = 11,530,019,730.94
  5. Step 5: Solve for x
    x = 11,530,019,730.94/119,949.75
  6. Step 6: Final answer
    x = 96,123.75

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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.