Home / 203,363.30-280,600.26-122,794.22

Finding the Fourth Proportional to 203,363.30, 280,600.26 and 122,794.22

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Solution

The fourth proportional to 203,363.30, 280,600.26 and 122,794.22 is: 169,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,363.30 : 280,600.26 = 122,794.22 : x
  2. Step 2: Convert to fraction form
    203,363.30/280,600.26 = 122,794.22/x
  3. Step 3: Cross multiply
    203,363.30x = 280,600.26 × 122,794.22
  4. Step 4: Simplify right side
    203,363.30x = 34,456,090,058.50
  5. Step 5: Solve for x
    x = 34,456,090,058.50/203,363.30
  6. Step 6: Final answer
    x = 169,431.21

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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.