Home / 119,249.72-164,545.26-68,939

Finding the Fourth Proportional to 119,249.72, 164,545.26 and 68,939

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Solution

The fourth proportional to 119,249.72, 164,545.26 and 68,939 is: 95,124.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,249.72 : 164,545.26 = 68,939 : x
  2. Step 2: Convert to fraction form
    119,249.72/164,545.26 = 68,939/x
  3. Step 3: Cross multiply
    119,249.72x = 164,545.26 × 68,939
  4. Step 4: Simplify right side
    119,249.72x = 11,343,585,679.14
  5. Step 5: Solve for x
    x = 11,343,585,679.14/119,249.72
  6. Step 6: Final answer
    x = 95,124.63

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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.