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Finding the Fourth Proportional to 235,190.59, 352,722.60 and 102,039.55

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Solution

The fourth proportional to 235,190.59, 352,722.60 and 102,039.55 is: 153,031.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,190.59 : 352,722.60 = 102,039.55 : x
  2. Step 2: Convert to fraction form
    235,190.59/352,722.60 = 102,039.55/x
  3. Step 3: Cross multiply
    235,190.59x = 352,722.60 × 102,039.55
  4. Step 4: Simplify right side
    235,190.59x = 35,991,654,497.02
  5. Step 5: Solve for x
    x = 35,991,654,497.02/235,190.59
  6. Step 6: Final answer
    x = 153,031.87

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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.