Home / 203,091.14-280,274.52-112,447.10

Finding the Fourth Proportional to 203,091.14, 280,274.52 and 112,447.10

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Solution

The fourth proportional to 203,091.14, 280,274.52 and 112,447.10 is: 155,181.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,091.14 : 280,274.52 = 112,447.10 : x
  2. Step 2: Convert to fraction form
    203,091.14/280,274.52 = 112,447.10/x
  3. Step 3: Cross multiply
    203,091.14x = 280,274.52 × 112,447.10
  4. Step 4: Simplify right side
    203,091.14x = 31,516,055,576.52
  5. Step 5: Solve for x
    x = 31,516,055,576.52/203,091.14
  6. Step 6: Final answer
    x = 155,181.84

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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.