Home / 115,320.24-172,998.45-31,083.71

Finding the Fourth Proportional to 115,320.24, 172,998.45 and 31,083.71

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Solution

The fourth proportional to 115,320.24, 172,998.45 and 31,083.71 is: 46,630.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,320.24 : 172,998.45 = 31,083.71 : x
  2. Step 2: Convert to fraction form
    115,320.24/172,998.45 = 31,083.71/x
  3. Step 3: Cross multiply
    115,320.24x = 172,998.45 × 31,083.71
  4. Step 4: Simplify right side
    115,320.24x = 5,377,432,785.26
  5. Step 5: Solve for x
    x = 5,377,432,785.26/115,320.24
  6. Step 6: Final answer
    x = 46,630.43

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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.