Home / 115,255.62-172,901.88-48,696.39

Finding the Fourth Proportional to 115,255.62, 172,901.88 and 48,696.39

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Solution

The fourth proportional to 115,255.62, 172,901.88 and 48,696.39 is: 73,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,255.62 : 172,901.88 = 48,696.39 : x
  2. Step 2: Convert to fraction form
    115,255.62/172,901.88 = 48,696.39/x
  3. Step 3: Cross multiply
    115,255.62x = 172,901.88 × 48,696.39
  4. Step 4: Simplify right side
    115,255.62x = 8,419,697,380.21
  5. Step 5: Solve for x
    x = 8,419,697,380.21/115,255.62
  6. Step 6: Final answer
    x = 73,052.38

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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.