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Finding the Fourth Proportional to 171,069.72, 256,618.94 and 63,028.50

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Solution

The fourth proportional to 171,069.72, 256,618.94 and 63,028.50 is: 94,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,069.72 : 256,618.94 = 63,028.50 : x
  2. Step 2: Convert to fraction form
    171,069.72/256,618.94 = 63,028.50/x
  3. Step 3: Cross multiply
    171,069.72x = 256,618.94 × 63,028.50
  4. Step 4: Simplify right side
    171,069.72x = 16,174,306,859.79
  5. Step 5: Solve for x
    x = 16,174,306,859.79/171,069.72
  6. Step 6: Final answer
    x = 94,548.04

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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.