Home / 204,716.06-307,015.77-129,723.02

Finding the Fourth Proportional to 204,716.06, 307,015.77 and 129,723.02

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Solution

The fourth proportional to 204,716.06, 307,015.77 and 129,723.02 is: 194,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,716.06 : 307,015.77 = 129,723.02 : x
  2. Step 2: Convert to fraction form
    204,716.06/307,015.77 = 129,723.02/x
  3. Step 3: Cross multiply
    204,716.06x = 307,015.77 × 129,723.02
  4. Step 4: Simplify right side
    204,716.06x = 39,827,012,872.03
  5. Step 5: Solve for x
    x = 39,827,012,872.03/204,716.06
  6. Step 6: Final answer
    x = 194,547.57

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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.