Home / 135,974.64-203,931.18-51,704.75

Finding the Fourth Proportional to 135,974.64, 203,931.18 and 51,704.75

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Solution

The fourth proportional to 135,974.64, 203,931.18 and 51,704.75 is: 77,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,974.64 : 203,931.18 = 51,704.75 : x
  2. Step 2: Convert to fraction form
    135,974.64/203,931.18 = 51,704.75/x
  3. Step 3: Cross multiply
    135,974.64x = 203,931.18 × 51,704.75
  4. Step 4: Simplify right side
    135,974.64x = 10,544,209,659.45
  5. Step 5: Solve for x
    x = 10,544,209,659.45/135,974.64
  6. Step 6: Final answer
    x = 77,545.41

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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.