Home / 147,249.21-220,885-57,253.26

Finding the Fourth Proportional to 147,249.21, 220,885 and 57,253.26

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Solution

The fourth proportional to 147,249.21, 220,885 and 57,253.26 is: 85,884.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,249.21 : 220,885 = 57,253.26 : x
  2. Step 2: Convert to fraction form
    147,249.21/220,885 = 57,253.26/x
  3. Step 3: Cross multiply
    147,249.21x = 220,885 × 57,253.26
  4. Step 4: Simplify right side
    147,249.21x = 12,646,385,230.68
  5. Step 5: Solve for x
    x = 12,646,385,230.68/147,249.21
  6. Step 6: Final answer
    x = 85,884.23

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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.