Home / 115,286.58-172,937.16-36,403.92

Finding the Fourth Proportional to 115,286.58, 172,937.16 and 36,403.92

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Solution

The fourth proportional to 115,286.58, 172,937.16 and 36,403.92 is: 54,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,286.58 : 172,937.16 = 36,403.92 : x
  2. Step 2: Convert to fraction form
    115,286.58/172,937.16 = 36,403.92/x
  3. Step 3: Cross multiply
    115,286.58x = 172,937.16 × 36,403.92
  4. Step 4: Simplify right side
    115,286.58x = 6,295,590,537.67
  5. Step 5: Solve for x
    x = 6,295,590,537.67/115,286.58
  6. Step 6: Final answer
    x = 54,608.18

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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.