Home / 115,027.72-172,569.22-36,141.89

Finding the Fourth Proportional to 115,027.72, 172,569.22 and 36,141.89

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Solution

The fourth proportional to 115,027.72, 172,569.22 and 36,141.89 is: 54,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,027.72 : 172,569.22 = 36,141.89 : x
  2. Step 2: Convert to fraction form
    115,027.72/172,569.22 = 36,141.89/x
  3. Step 3: Cross multiply
    115,027.72x = 172,569.22 × 36,141.89
  4. Step 4: Simplify right side
    115,027.72x = 6,236,976,813.42
  5. Step 5: Solve for x
    x = 6,236,976,813.42/115,027.72
  6. Step 6: Final answer
    x = 54,221.51

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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.