Home / 179,802.72-269,633.97-67,421.70

Finding the Fourth Proportional to 179,802.72, 269,633.97 and 67,421.70

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Solution

The fourth proportional to 179,802.72, 269,633.97 and 67,421.70 is: 101,106.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,802.72 : 269,633.97 = 67,421.70 : x
  2. Step 2: Convert to fraction form
    179,802.72/269,633.97 = 67,421.70/x
  3. Step 3: Cross multiply
    179,802.72x = 269,633.97 × 67,421.70
  4. Step 4: Simplify right side
    179,802.72x = 18,179,180,635.15
  5. Step 5: Solve for x
    x = 18,179,180,635.15/179,802.72
  6. Step 6: Final answer
    x = 101,106.26

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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.