Home / 203,560.08-280,917.42-112,913.10

Finding the Fourth Proportional to 203,560.08, 280,917.42 and 112,913.10

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Solution

The fourth proportional to 203,560.08, 280,917.42 and 112,913.10 is: 155,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,560.08 : 280,917.42 = 112,913.10 : x
  2. Step 2: Convert to fraction form
    203,560.08/280,917.42 = 112,913.10/x
  3. Step 3: Cross multiply
    203,560.08x = 280,917.42 × 112,913.10
  4. Step 4: Simplify right side
    203,560.08x = 31,719,256,736.20
  5. Step 5: Solve for x
    x = 31,719,256,736.20/203,560.08
  6. Step 6: Final answer
    x = 155,822.58

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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.