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Finding the Fourth Proportional to 114,404.60, 171,629.76 and 39,527.48

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Solution

The fourth proportional to 114,404.60, 171,629.76 and 39,527.48 is: 59,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,404.60 : 171,629.76 = 39,527.48 : x
  2. Step 2: Convert to fraction form
    114,404.60/171,629.76 = 39,527.48/x
  3. Step 3: Cross multiply
    114,404.60x = 171,629.76 × 39,527.48
  4. Step 4: Simplify right side
    114,404.60x = 6,784,091,905.80
  5. Step 5: Solve for x
    x = 6,784,091,905.80/114,404.60
  6. Step 6: Final answer
    x = 59,299.12

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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.