Home / 200,860.78-301,292.94-51,101.20

Finding the Fourth Proportional to 200,860.78, 301,292.94 and 51,101.20

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Solution

The fourth proportional to 200,860.78, 301,292.94 and 51,101.20 is: 76,652.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,860.78 : 301,292.94 = 51,101.20 : x
  2. Step 2: Convert to fraction form
    200,860.78/301,292.94 = 51,101.20/x
  3. Step 3: Cross multiply
    200,860.78x = 301,292.94 × 51,101.20
  4. Step 4: Simplify right side
    200,860.78x = 15,396,430,785.53
  5. Step 5: Solve for x
    x = 15,396,430,785.53/200,860.78
  6. Step 6: Final answer
    x = 76,652.25

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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.