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Finding the Fourth Proportional to 171,927.80, 258,001.05 and 100,850.30

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Solution

The fourth proportional to 171,927.80, 258,001.05 and 100,850.30 is: 151,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,927.80 : 258,001.05 = 100,850.30 : x
  2. Step 2: Convert to fraction form
    171,927.80/258,001.05 = 100,850.30/x
  3. Step 3: Cross multiply
    171,927.80x = 258,001.05 × 100,850.30
  4. Step 4: Simplify right side
    171,927.80x = 26,019,483,292.82
  5. Step 5: Solve for x
    x = 26,019,483,292.82/171,927.80
  6. Step 6: Final answer
    x = 151,339.59

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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.