Home / 134,179.60-201,257.79-45,431.14

Finding the Fourth Proportional to 134,179.60, 201,257.79 and 45,431.14

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Solution

The fourth proportional to 134,179.60, 201,257.79 and 45,431.14 is: 68,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,179.60 : 201,257.79 = 45,431.14 : x
  2. Step 2: Convert to fraction form
    134,179.60/201,257.79 = 45,431.14/x
  3. Step 3: Cross multiply
    134,179.60x = 201,257.79 × 45,431.14
  4. Step 4: Simplify right side
    134,179.60x = 9,143,370,833.58
  5. Step 5: Solve for x
    x = 9,143,370,833.58/134,179.60
  6. Step 6: Final answer
    x = 68,142.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.