Home / 185,382.18-278,094.87-67,109.22

Finding the Fourth Proportional to 185,382.18, 278,094.87 and 67,109.22

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Solution

The fourth proportional to 185,382.18, 278,094.87 and 67,109.22 is: 100,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,382.18 : 278,094.87 = 67,109.22 : x
  2. Step 2: Convert to fraction form
    185,382.18/278,094.87 = 67,109.22/x
  3. Step 3: Cross multiply
    185,382.18x = 278,094.87 × 67,109.22
  4. Step 4: Simplify right side
    185,382.18x = 18,662,729,811.70
  5. Step 5: Solve for x
    x = 18,662,729,811.70/185,382.18
  6. Step 6: Final answer
    x = 100,671.65

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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.