Home / 180,200.05-248,694.57-103,721.86

Finding the Fourth Proportional to 180,200.05, 248,694.57 and 103,721.86

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Solution

The fourth proportional to 180,200.05, 248,694.57 and 103,721.86 is: 143,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,200.05 : 248,694.57 = 103,721.86 : x
  2. Step 2: Convert to fraction form
    180,200.05/248,694.57 = 103,721.86/x
  3. Step 3: Cross multiply
    180,200.05x = 248,694.57 × 103,721.86
  4. Step 4: Simplify right side
    180,200.05x = 25,795,063,372.30
  5. Step 5: Solve for x
    x = 25,795,063,372.30/180,200.05
  6. Step 6: Final answer
    x = 143,146.82

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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.