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Finding the Fourth Proportional to 171,822.86, 257,672.51 and 59,472.62

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Solution

The fourth proportional to 171,822.86, 257,672.51 and 59,472.62 is: 89,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,822.86 : 257,672.51 = 59,472.62 : x
  2. Step 2: Convert to fraction form
    171,822.86/257,672.51 = 59,472.62/x
  3. Step 3: Cross multiply
    171,822.86x = 257,672.51 × 59,472.62
  4. Step 4: Simplify right side
    171,822.86x = 15,324,457,685.95
  5. Step 5: Solve for x
    x = 15,324,457,685.95/171,822.86
  6. Step 6: Final answer
    x = 89,187.54

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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.