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Finding the Fourth Proportional to 114,651.21, 171,845.59 and 44,470.38

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Solution

The fourth proportional to 114,651.21, 171,845.59 and 44,470.38 is: 66,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,651.21 : 171,845.59 = 44,470.38 : x
  2. Step 2: Convert to fraction form
    114,651.21/171,845.59 = 44,470.38/x
  3. Step 3: Cross multiply
    114,651.21x = 171,845.59 × 44,470.38
  4. Step 4: Simplify right side
    114,651.21x = 7,642,038,688.62
  5. Step 5: Solve for x
    x = 7,642,038,688.62/114,651.21
  6. Step 6: Final answer
    x = 66,654.67

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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.