Home / 115,137.36-172,695.24-36,245.52

Finding the Fourth Proportional to 115,137.36, 172,695.24 and 36,245.52

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Solution

The fourth proportional to 115,137.36, 172,695.24 and 36,245.52 is: 54,364.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,137.36 : 172,695.24 = 36,245.52 : x
  2. Step 2: Convert to fraction form
    115,137.36/172,695.24 = 36,245.52/x
  3. Step 3: Cross multiply
    115,137.36x = 172,695.24 × 36,245.52
  4. Step 4: Simplify right side
    115,137.36x = 6,259,428,775.32
  5. Step 5: Solve for x
    x = 6,259,428,775.32/115,137.36
  6. Step 6: Final answer
    x = 54,364.88

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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.