Home / 179,828.50-248,163.33-100,340.50

Finding the Fourth Proportional to 179,828.50, 248,163.33 and 100,340.50

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Solution

The fourth proportional to 179,828.50, 248,163.33 and 100,340.50 is: 138,469.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,828.50 : 248,163.33 = 100,340.50 : x
  2. Step 2: Convert to fraction form
    179,828.50/248,163.33 = 100,340.50/x
  3. Step 3: Cross multiply
    179,828.50x = 248,163.33 × 100,340.50
  4. Step 4: Simplify right side
    179,828.50x = 24,900,832,613.87
  5. Step 5: Solve for x
    x = 24,900,832,613.87/179,828.50
  6. Step 6: Final answer
    x = 138,469.89

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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.