Home / 117,311.02-175,968.25-81,251.92

Finding the Fourth Proportional to 117,311.02, 175,968.25 and 81,251.92

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Solution

The fourth proportional to 117,311.02, 175,968.25 and 81,251.92 is: 121,879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,311.02 : 175,968.25 = 81,251.92 : x
  2. Step 2: Convert to fraction form
    117,311.02/175,968.25 = 81,251.92/x
  3. Step 3: Cross multiply
    117,311.02x = 175,968.25 × 81,251.92
  4. Step 4: Simplify right side
    117,311.02x = 14,297,758,171.54
  5. Step 5: Solve for x
    x = 14,297,758,171.54/117,311.02
  6. Step 6: Final answer
    x = 121,879.07

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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.