Home / 203,338.02-280,539.24-122,734.92

Finding the Fourth Proportional to 203,338.02, 280,539.24 and 122,734.92

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Solution

The fourth proportional to 203,338.02, 280,539.24 and 122,734.92 is: 169,333.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,338.02 : 280,539.24 = 122,734.92 : x
  2. Step 2: Convert to fraction form
    203,338.02/280,539.24 = 122,734.92/x
  3. Step 3: Cross multiply
    203,338.02x = 280,539.24 × 122,734.92
  4. Step 4: Simplify right side
    203,338.02x = 34,431,961,178.26
  5. Step 5: Solve for x
    x = 34,431,961,178.26/203,338.02
  6. Step 6: Final answer
    x = 169,333.61

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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.