Home / 129,296.94-193,788.38-69,177.53

Finding the Fourth Proportional to 129,296.94, 193,788.38 and 69,177.53

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Solution

The fourth proportional to 129,296.94, 193,788.38 and 69,177.53 is: 103,682.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,296.94 : 193,788.38 = 69,177.53 : x
  2. Step 2: Convert to fraction form
    129,296.94/193,788.38 = 69,177.53/x
  3. Step 3: Cross multiply
    129,296.94x = 193,788.38 × 69,177.53
  4. Step 4: Simplify right side
    129,296.94x = 13,405,800,156.27
  5. Step 5: Solve for x
    x = 13,405,800,156.27/129,296.94
  6. Step 6: Final answer
    x = 103,682.27

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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.