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Finding the Fourth Proportional to 171,980, 237,354.29 and 103,997.47

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Solution

The fourth proportional to 171,980, 237,354.29 and 103,997.47 is: 143,529.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,980 : 237,354.29 = 103,997.47 : x
  2. Step 2: Convert to fraction form
    171,980/237,354.29 = 103,997.47/x
  3. Step 3: Cross multiply
    171,980x = 237,354.29 × 103,997.47
  4. Step 4: Simplify right side
    171,980x = 24,684,245,653.65
  5. Step 5: Solve for x
    x = 24,684,245,653.65/171,980
  6. Step 6: Final answer
    x = 143,529.75

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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.