Home / 129,012.52-193,469.06-50,116.36

Finding the Fourth Proportional to 129,012.52, 193,469.06 and 50,116.36

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Solution

The fourth proportional to 129,012.52, 193,469.06 and 50,116.36 is: 75,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,012.52 : 193,469.06 = 50,116.36 : x
  2. Step 2: Convert to fraction form
    129,012.52/193,469.06 = 50,116.36/x
  3. Step 3: Cross multiply
    129,012.52x = 193,469.06 × 50,116.36
  4. Step 4: Simplify right side
    129,012.52x = 9,695,965,059.82
  5. Step 5: Solve for x
    x = 9,695,965,059.82/129,012.52
  6. Step 6: Final answer
    x = 75,155.23

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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.