Home / 115,144.16-172,722.42-36,264.56

Finding the Fourth Proportional to 115,144.16, 172,722.42 and 36,264.56

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Solution

The fourth proportional to 115,144.16, 172,722.42 and 36,264.56 is: 54,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,144.16 : 172,722.42 = 36,264.56 : x
  2. Step 2: Convert to fraction form
    115,144.16/172,722.42 = 36,264.56/x
  3. Step 3: Cross multiply
    115,144.16x = 172,722.42 × 36,264.56
  4. Step 4: Simplify right side
    115,144.16x = 6,263,701,699.82
  5. Step 5: Solve for x
    x = 6,263,701,699.82/115,144.16
  6. Step 6: Final answer
    x = 54,398.78

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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.