Home / 178,781.27-268,167.74-90,010.94

Finding the Fourth Proportional to 178,781.27, 268,167.74 and 90,010.94

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Solution

The fourth proportional to 178,781.27, 268,167.74 and 90,010.94 is: 135,014.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,781.27 : 268,167.74 = 90,010.94 : x
  2. Step 2: Convert to fraction form
    178,781.27/268,167.74 = 90,010.94/x
  3. Step 3: Cross multiply
    178,781.27x = 268,167.74 × 90,010.94
  4. Step 4: Simplify right side
    178,781.27x = 24,138,028,564.18
  5. Step 5: Solve for x
    x = 24,138,028,564.18/178,781.27
  6. Step 6: Final answer
    x = 135,014.31

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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.