Home / 136,091.28-204,072.12-51,855.60

Finding the Fourth Proportional to 136,091.28, 204,072.12 and 51,855.60

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Solution

The fourth proportional to 136,091.28, 204,072.12 and 51,855.60 is: 77,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,091.28 : 204,072.12 = 51,855.60 : x
  2. Step 2: Convert to fraction form
    136,091.28/204,072.12 = 51,855.60/x
  3. Step 3: Cross multiply
    136,091.28x = 204,072.12 × 51,855.60
  4. Step 4: Simplify right side
    136,091.28x = 10,582,282,225.87
  5. Step 5: Solve for x
    x = 10,582,282,225.87/136,091.28
  6. Step 6: Final answer
    x = 77,758.71

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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.