Home / 203,091.20-280,274.61-112,447.16

Finding the Fourth Proportional to 203,091.20, 280,274.61 and 112,447.16

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Solution

The fourth proportional to 203,091.20, 280,274.61 and 112,447.16 is: 155,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,091.20 : 280,274.61 = 112,447.16 : x
  2. Step 2: Convert to fraction form
    203,091.20/280,274.61 = 112,447.16/x
  3. Step 3: Cross multiply
    203,091.20x = 280,274.61 × 112,447.16
  4. Step 4: Simplify right side
    203,091.20x = 31,516,084,615.29
  5. Step 5: Solve for x
    x = 31,516,084,615.29/203,091.20
  6. Step 6: Final answer
    x = 155,181.93

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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.