Home / 119,272.10-178,840.11-49,067.78

Finding the Fourth Proportional to 119,272.10, 178,840.11 and 49,067.78

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Solution

The fourth proportional to 119,272.10, 178,840.11 and 49,067.78 is: 73,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,272.10 : 178,840.11 = 49,067.78 : x
  2. Step 2: Convert to fraction form
    119,272.10/178,840.11 = 49,067.78/x
  3. Step 3: Cross multiply
    119,272.10x = 178,840.11 × 49,067.78
  4. Step 4: Simplify right side
    119,272.10x = 8,775,287,172.66
  5. Step 5: Solve for x
    x = 8,775,287,172.66/119,272.10
  6. Step 6: Final answer
    x = 73,573.68

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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.