Home / 100,324.32-150,471.12-26,458.08

Finding the Fourth Proportional to 100,324.32, 150,471.12 and 26,458.08

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Solution

The fourth proportional to 100,324.32, 150,471.12 and 26,458.08 is: 39,683.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,324.32 : 150,471.12 = 26,458.08 : x
  2. Step 2: Convert to fraction form
    100,324.32/150,471.12 = 26,458.08/x
  3. Step 3: Cross multiply
    100,324.32x = 150,471.12 × 26,458.08
  4. Step 4: Simplify right side
    100,324.32x = 3,981,176,930.65
  5. Step 5: Solve for x
    x = 3,981,176,930.65/100,324.32
  6. Step 6: Final answer
    x = 39,683.07

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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.