Home / 115,228.08-172,723.41-44,131.32

Finding the Fourth Proportional to 115,228.08, 172,723.41 and 44,131.32

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Solution

The fourth proportional to 115,228.08, 172,723.41 and 44,131.32 is: 66,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,228.08 : 172,723.41 = 44,131.32 : x
  2. Step 2: Convert to fraction form
    115,228.08/172,723.41 = 44,131.32/x
  3. Step 3: Cross multiply
    115,228.08x = 172,723.41 × 44,131.32
  4. Step 4: Simplify right side
    115,228.08x = 7,622,512,078.20
  5. Step 5: Solve for x
    x = 7,622,512,078.20/115,228.08
  6. Step 6: Final answer
    x = 66,151.52

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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.