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Finding the Fourth Proportional to 114,309.88, 171,575.50 and 55,187.06

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Solution

The fourth proportional to 114,309.88, 171,575.50 and 55,187.06 is: 82,834.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,309.88 : 171,575.50 = 55,187.06 : x
  2. Step 2: Convert to fraction form
    114,309.88/171,575.50 = 55,187.06/x
  3. Step 3: Cross multiply
    114,309.88x = 171,575.50 × 55,187.06
  4. Step 4: Simplify right side
    114,309.88x = 9,468,747,413.03
  5. Step 5: Solve for x
    x = 9,468,747,413.03/114,309.88
  6. Step 6: Final answer
    x = 82,834.02

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1.5x scale

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.