Home / 119,131.40-178,716.54-40,250.36

Finding the Fourth Proportional to 119,131.40, 178,716.54 and 40,250.36

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Solution

The fourth proportional to 119,131.40, 178,716.54 and 40,250.36 is: 60,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,131.40 : 178,716.54 = 40,250.36 : x
  2. Step 2: Convert to fraction form
    119,131.40/178,716.54 = 40,250.36/x
  3. Step 3: Cross multiply
    119,131.40x = 178,716.54 × 40,250.36
  4. Step 4: Simplify right side
    119,131.40x = 7,193,405,072.95
  5. Step 5: Solve for x
    x = 7,193,405,072.95/119,131.40
  6. Step 6: Final answer
    x = 60,382.11

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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.