Home / 102,234.52-141,138.99-71,701.37

Finding the Fourth Proportional to 102,234.52, 141,138.99 and 71,701.37

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Solution

The fourth proportional to 102,234.52, 141,138.99 and 71,701.37 is: 98,986.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,234.52 : 141,138.99 = 71,701.37 : x
  2. Step 2: Convert to fraction form
    102,234.52/141,138.99 = 71,701.37/x
  3. Step 3: Cross multiply
    102,234.52x = 141,138.99 × 71,701.37
  4. Step 4: Simplify right side
    102,234.52x = 10,119,858,237.72
  5. Step 5: Solve for x
    x = 10,119,858,237.72/102,234.52
  6. Step 6: Final answer
    x = 98,986.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.