Home / 82,114.08-113,508.72-73,249.44

Finding the Fourth Proportional to 82,114.08, 113,508.72 and 73,249.44

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Solution

The fourth proportional to 82,114.08, 113,508.72 and 73,249.44 is: 101,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,114.08 : 113,508.72 = 73,249.44 : x
  2. Step 2: Convert to fraction form
    82,114.08/113,508.72 = 73,249.44/x
  3. Step 3: Cross multiply
    82,114.08x = 113,508.72 × 73,249.44
  4. Step 4: Simplify right side
    82,114.08x = 8,314,450,175.12
  5. Step 5: Solve for x
    x = 8,314,450,175.12/82,114.08
  6. Step 6: Final answer
    x = 101,254.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.