Home / 204,718.06-307,018.77-129,725.02

Finding the Fourth Proportional to 204,718.06, 307,018.77 and 129,725.02

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Solution

The fourth proportional to 204,718.06, 307,018.77 and 129,725.02 is: 194,550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,718.06 : 307,018.77 = 129,725.02 : x
  2. Step 2: Convert to fraction form
    204,718.06/307,018.77 = 129,725.02/x
  3. Step 3: Cross multiply
    204,718.06x = 307,018.77 × 129,725.02
  4. Step 4: Simplify right side
    204,718.06x = 39,828,016,078.63
  5. Step 5: Solve for x
    x = 39,828,016,078.63/204,718.06
  6. Step 6: Final answer
    x = 194,550.57

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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.