Home / 172,914.14-259,393.89-67,719.44

Finding the Fourth Proportional to 172,914.14, 259,393.89 and 67,719.44

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Solution

The fourth proportional to 172,914.14, 259,393.89 and 67,719.44 is: 101,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,914.14 : 259,393.89 = 67,719.44 : x
  2. Step 2: Convert to fraction form
    172,914.14/259,393.89 = 67,719.44/x
  3. Step 3: Cross multiply
    172,914.14x = 259,393.89 × 67,719.44
  4. Step 4: Simplify right side
    172,914.14x = 17,566,009,872.65
  5. Step 5: Solve for x
    x = 17,566,009,872.65/172,914.14
  6. Step 6: Final answer
    x = 101,588.05

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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.