Home / 179,918.91-248,291.97-99,351.57

Finding the Fourth Proportional to 179,918.91, 248,291.97 and 99,351.57

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Solution

The fourth proportional to 179,918.91, 248,291.97 and 99,351.57 is: 137,107.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,918.91 : 248,291.97 = 99,351.57 : x
  2. Step 2: Convert to fraction form
    179,918.91/248,291.97 = 99,351.57/x
  3. Step 3: Cross multiply
    179,918.91x = 248,291.97 × 99,351.57
  4. Step 4: Simplify right side
    179,918.91x = 24,668,197,037.89
  5. Step 5: Solve for x
    x = 24,668,197,037.89/179,918.91
  6. Step 6: Final answer
    x = 137,107.31

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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.