Home / 97,635.92-134,743.38-55,198.40

Finding the Fourth Proportional to 97,635.92, 134,743.38 and 55,198.40

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Solution

The fourth proportional to 97,635.92, 134,743.38 and 55,198.40 is: 76,177.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,635.92 : 134,743.38 = 55,198.40 : x
  2. Step 2: Convert to fraction form
    97,635.92/134,743.38 = 55,198.40/x
  3. Step 3: Cross multiply
    97,635.92x = 134,743.38 × 55,198.40
  4. Step 4: Simplify right side
    97,635.92x = 7,437,618,986.59
  5. Step 5: Solve for x
    x = 7,437,618,986.59/97,635.92
  6. Step 6: Final answer
    x = 76,177.08

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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.