Home / 204,237.90-306,476.73-85,900.14

Finding the Fourth Proportional to 204,237.90, 306,476.73 and 85,900.14

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Solution

The fourth proportional to 204,237.90, 306,476.73 and 85,900.14 is: 128,900.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,237.90 : 306,476.73 = 85,900.14 : x
  2. Step 2: Convert to fraction form
    204,237.90/306,476.73 = 85,900.14/x
  3. Step 3: Cross multiply
    204,237.90x = 306,476.73 × 85,900.14
  4. Step 4: Simplify right side
    204,237.90x = 26,326,394,013.74
  5. Step 5: Solve for x
    x = 26,326,394,013.74/204,237.90
  6. Step 6: Final answer
    x = 128,900.63

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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.