Home / 200,900.32-301,396.50-87,067.25

Finding the Fourth Proportional to 200,900.32, 301,396.50 and 87,067.25

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Solution

The fourth proportional to 200,900.32, 301,396.50 and 87,067.25 is: 130,620.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,900.32 : 301,396.50 = 87,067.25 : x
  2. Step 2: Convert to fraction form
    200,900.32/301,396.50 = 87,067.25/x
  3. Step 3: Cross multiply
    200,900.32x = 301,396.50 × 87,067.25
  4. Step 4: Simplify right side
    200,900.32x = 26,241,762,472.31
  5. Step 5: Solve for x
    x = 26,241,762,472.31/200,900.32
  6. Step 6: Final answer
    x = 130,620.81

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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.