Home / 203,015.43-280,096.89-118,116.09

Finding the Fourth Proportional to 203,015.43, 280,096.89 and 118,116.09

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Solution

The fourth proportional to 203,015.43, 280,096.89 and 118,116.09 is: 162,962.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,015.43 : 280,096.89 = 118,116.09 : x
  2. Step 2: Convert to fraction form
    203,015.43/280,096.89 = 118,116.09/x
  3. Step 3: Cross multiply
    203,015.43x = 280,096.89 × 118,116.09
  4. Step 4: Simplify right side
    203,015.43x = 33,083,949,025.02
  5. Step 5: Solve for x
    x = 33,083,949,025.02/203,015.43
  6. Step 6: Final answer
    x = 162,962.73

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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.