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Finding the Fourth Proportional to 171,460.52, 236,605.40 and 93,920.75

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Solution

The fourth proportional to 171,460.52, 236,605.40 and 93,920.75 is: 129,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,460.52 : 236,605.40 = 93,920.75 : x
  2. Step 2: Convert to fraction form
    171,460.52/236,605.40 = 93,920.75/x
  3. Step 3: Cross multiply
    171,460.52x = 236,605.40 × 93,920.75
  4. Step 4: Simplify right side
    171,460.52x = 22,222,155,795.73
  5. Step 5: Solve for x
    x = 22,222,155,795.73/171,460.52
  6. Step 6: Final answer
    x = 129,605.09

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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.