Home / 172,072.52-237,658.78-114,617.20

Finding the Fourth Proportional to 172,072.52, 237,658.78 and 114,617.20

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Solution

The fourth proportional to 172,072.52, 237,658.78 and 114,617.20 is: 158,304.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,072.52 : 237,658.78 = 114,617.20 : x
  2. Step 2: Convert to fraction form
    172,072.52/237,658.78 = 114,617.20/x
  3. Step 3: Cross multiply
    172,072.52x = 237,658.78 × 114,617.20
  4. Step 4: Simplify right side
    172,072.52x = 27,239,783,919.02
  5. Step 5: Solve for x
    x = 27,239,783,919.02/172,072.52
  6. Step 6: Final answer
    x = 158,304.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.