Home / 219,383.43-329,130.56-101,137.80

Finding the Fourth Proportional to 219,383.43, 329,130.56 and 101,137.80

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Solution

The fourth proportional to 219,383.43, 329,130.56 and 101,137.80 is: 151,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,383.43 : 329,130.56 = 101,137.80 : x
  2. Step 2: Convert to fraction form
    219,383.43/329,130.56 = 101,137.80/x
  3. Step 3: Cross multiply
    219,383.43x = 329,130.56 × 101,137.80
  4. Step 4: Simplify right side
    219,383.43x = 33,287,540,751.17
  5. Step 5: Solve for x
    x = 33,287,540,751.17/219,383.43
  6. Step 6: Final answer
    x = 151,732.25

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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.