Home / 181,207.53-250,058.07-100,640.34

Finding the Fourth Proportional to 181,207.53, 250,058.07 and 100,640.34

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Solution

The fourth proportional to 181,207.53, 250,058.07 and 100,640.34 is: 138,879.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,207.53 : 250,058.07 = 100,640.34 : x
  2. Step 2: Convert to fraction form
    181,207.53/250,058.07 = 100,640.34/x
  3. Step 3: Cross multiply
    181,207.53x = 250,058.07 × 100,640.34
  4. Step 4: Simplify right side
    181,207.53x = 25,165,929,184.54
  5. Step 5: Solve for x
    x = 25,165,929,184.54/181,207.53
  6. Step 6: Final answer
    x = 138,879.05

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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.