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Finding the Fourth Proportional to 171,062.52, 236,060.32 and 93,539.98

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Solution

The fourth proportional to 171,062.52, 236,060.32 and 93,539.98 is: 129,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,062.52 : 236,060.32 = 93,539.98 : x
  2. Step 2: Convert to fraction form
    171,062.52/236,060.32 = 93,539.98/x
  3. Step 3: Cross multiply
    171,062.52x = 236,060.32 × 93,539.98
  4. Step 4: Simplify right side
    171,062.52x = 22,081,077,611.59
  5. Step 5: Solve for x
    x = 22,081,077,611.59/171,062.52
  6. Step 6: Final answer
    x = 129,081.91

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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.