Home / 122,965.65-169,698.92-75,204

Finding the Fourth Proportional to 122,965.65, 169,698.92 and 75,204

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Solution

The fourth proportional to 122,965.65, 169,698.92 and 75,204 is: 103,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,965.65 : 169,698.92 = 75,204 : x
  2. Step 2: Convert to fraction form
    122,965.65/169,698.92 = 75,204/x
  3. Step 3: Cross multiply
    122,965.65x = 169,698.92 × 75,204
  4. Step 4: Simplify right side
    122,965.65x = 12,762,037,203.66
  5. Step 5: Solve for x
    x = 12,762,037,203.66/122,965.65
  6. Step 6: Final answer
    x = 103,785.38

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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.