Home / 235,106.11-324,545.75-158,728.66

Finding the Fourth Proportional to 235,106.11, 324,545.75 and 158,728.66

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Solution

The fourth proportional to 235,106.11, 324,545.75 and 158,728.66 is: 219,112.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,106.11 : 324,545.75 = 158,728.66 : x
  2. Step 2: Convert to fraction form
    235,106.11/324,545.75 = 158,728.66/x
  3. Step 3: Cross multiply
    235,106.11x = 324,545.75 × 158,728.66
  4. Step 4: Simplify right side
    235,106.11x = 51,514,709,589.82
  5. Step 5: Solve for x
    x = 51,514,709,589.82/235,106.11
  6. Step 6: Final answer
    x = 219,112.59

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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.