Home / 181,220.82-250,084.49-100,660.38

Finding the Fourth Proportional to 181,220.82, 250,084.49 and 100,660.38

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Solution

The fourth proportional to 181,220.82, 250,084.49 and 100,660.38 is: 138,911.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,220.82 : 250,084.49 = 100,660.38 : x
  2. Step 2: Convert to fraction form
    181,220.82/250,084.49 = 100,660.38/x
  3. Step 3: Cross multiply
    181,220.82x = 250,084.49 × 100,660.38
  4. Step 4: Simplify right side
    181,220.82x = 25,173,599,795.51
  5. Step 5: Solve for x
    x = 25,173,599,795.51/181,220.82
  6. Step 6: Final answer
    x = 138,911.19

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1.5x scale

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.