Home / 119,115.06-178,645.30-71,097.21

Finding the Fourth Proportional to 119,115.06, 178,645.30 and 71,097.21

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Solution

The fourth proportional to 119,115.06, 178,645.30 and 71,097.21 is: 106,629.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,115.06 : 178,645.30 = 71,097.21 : x
  2. Step 2: Convert to fraction form
    119,115.06/178,645.30 = 71,097.21/x
  3. Step 3: Cross multiply
    119,115.06x = 178,645.30 × 71,097.21
  4. Step 4: Simplify right side
    119,115.06x = 12,701,182,231.87
  5. Step 5: Solve for x
    x = 12,701,182,231.87/119,115.06
  6. Step 6: Final answer
    x = 106,629.53

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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.