Home / 119,016.41-178,340.04-68,972.39

Finding the Fourth Proportional to 119,016.41, 178,340.04 and 68,972.39

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Solution

The fourth proportional to 119,016.41, 178,340.04 and 68,972.39 is: 103,351.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,016.41 : 178,340.04 = 68,972.39 : x
  2. Step 2: Convert to fraction form
    119,016.41/178,340.04 = 68,972.39/x
  3. Step 3: Cross multiply
    119,016.41x = 178,340.04 × 68,972.39
  4. Step 4: Simplify right side
    119,016.41x = 12,300,537,899.80
  5. Step 5: Solve for x
    x = 12,300,537,899.80/119,016.41
  6. Step 6: Final answer
    x = 103,351.61

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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.