Home / 204,185.67-306,340.80-104,415.94

Finding the Fourth Proportional to 204,185.67, 306,340.80 and 104,415.94

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Solution

The fourth proportional to 204,185.67, 306,340.80 and 104,415.94 is: 156,655.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,185.67 : 306,340.80 = 104,415.94 : x
  2. Step 2: Convert to fraction form
    204,185.67/306,340.80 = 104,415.94/x
  3. Step 3: Cross multiply
    204,185.67x = 306,340.80 × 104,415.94
  4. Step 4: Simplify right side
    204,185.67x = 31,986,862,592.35
  5. Step 5: Solve for x
    x = 31,986,862,592.35/204,185.67
  6. Step 6: Final answer
    x = 156,655.77

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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.