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Finding the Fourth Proportional to 201,096.42, 277,410.36 and 128,422.92

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Solution

The fourth proportional to 201,096.42, 277,410.36 and 128,422.92 is: 177,158.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,096.42 : 277,410.36 = 128,422.92 : x
  2. Step 2: Convert to fraction form
    201,096.42/277,410.36 = 128,422.92/x
  3. Step 3: Cross multiply
    201,096.42x = 277,410.36 × 128,422.92
  4. Step 4: Simplify right side
    201,096.42x = 35,625,848,469.45
  5. Step 5: Solve for x
    x = 35,625,848,469.45/201,096.42
  6. Step 6: Final answer
    x = 177,158.04

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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.