Home / 203,549.15-280,891.13-122,962.59

Finding the Fourth Proportional to 203,549.15, 280,891.13 and 122,962.59

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Solution

The fourth proportional to 203,549.15, 280,891.13 and 122,962.59 is: 169,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,549.15 : 280,891.13 = 122,962.59 : x
  2. Step 2: Convert to fraction form
    203,549.15/280,891.13 = 122,962.59/x
  3. Step 3: Cross multiply
    203,549.15x = 280,891.13 × 122,962.59
  4. Step 4: Simplify right side
    203,549.15x = 34,539,100,238.01
  5. Step 5: Solve for x
    x = 34,539,100,238.01/203,549.15
  6. Step 6: Final answer
    x = 169,684.32

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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.