Home / 179,719.25-248,012.57-100,231.25

Finding the Fourth Proportional to 179,719.25, 248,012.57 and 100,231.25

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Solution

The fourth proportional to 179,719.25, 248,012.57 and 100,231.25 is: 138,319.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,719.25 : 248,012.57 = 100,231.25 : x
  2. Step 2: Convert to fraction form
    179,719.25/248,012.57 = 100,231.25/x
  3. Step 3: Cross multiply
    179,719.25x = 248,012.57 × 100,231.25
  4. Step 4: Simplify right side
    179,719.25x = 24,858,609,906.81
  5. Step 5: Solve for x
    x = 24,858,609,906.81/179,719.25
  6. Step 6: Final answer
    x = 138,319.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.