Home / 203,092.02-280,269.20-112,449.63

Finding the Fourth Proportional to 203,092.02, 280,269.20 and 112,449.63

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Solution

The fourth proportional to 203,092.02, 280,269.20 and 112,449.63 is: 155,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,092.02 : 280,269.20 = 112,449.63 : x
  2. Step 2: Convert to fraction form
    203,092.02/280,269.20 = 112,449.63/x
  3. Step 3: Cross multiply
    203,092.02x = 280,269.20 × 112,449.63
  4. Step 4: Simplify right side
    203,092.02x = 31,516,167,278.15
  5. Step 5: Solve for x
    x = 31,516,167,278.15/203,092.02
  6. Step 6: Final answer
    x = 155,181.71

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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.