Home / 115,150.42-172,731.81-36,270.82

Finding the Fourth Proportional to 115,150.42, 172,731.81 and 36,270.82

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Solution

The fourth proportional to 115,150.42, 172,731.81 and 36,270.82 is: 54,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,150.42 : 172,731.81 = 36,270.82 : x
  2. Step 2: Convert to fraction form
    115,150.42/172,731.81 = 36,270.82/x
  3. Step 3: Cross multiply
    115,150.42x = 172,731.81 × 36,270.82
  4. Step 4: Simplify right side
    115,150.42x = 6,265,124,388.78
  5. Step 5: Solve for x
    x = 6,265,124,388.78/115,150.42
  6. Step 6: Final answer
    x = 54,408.18

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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.