Home / 115,238.31-172,857.47-36,360.51

Finding the Fourth Proportional to 115,238.31, 172,857.47 and 36,360.51

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Solution

The fourth proportional to 115,238.31, 172,857.47 and 36,360.51 is: 54,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,238.31 : 172,857.47 = 36,360.51 : x
  2. Step 2: Convert to fraction form
    115,238.31/172,857.47 = 36,360.51/x
  3. Step 3: Cross multiply
    115,238.31x = 172,857.47 × 36,360.51
  4. Step 4: Simplify right side
    115,238.31x = 6,285,185,584.71
  5. Step 5: Solve for x
    x = 6,285,185,584.71/115,238.31
  6. Step 6: Final answer
    x = 54,540.77

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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.