Home / 219,453.90-329,131.53-130,732.62

Finding the Fourth Proportional to 219,453.90, 329,131.53 and 130,732.62

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Solution

The fourth proportional to 219,453.90, 329,131.53 and 130,732.62 is: 196,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,453.90 : 329,131.53 = 130,732.62 : x
  2. Step 2: Convert to fraction form
    219,453.90/329,131.53 = 130,732.62/x
  3. Step 3: Cross multiply
    219,453.90x = 329,131.53 × 130,732.62
  4. Step 4: Simplify right side
    219,453.90x = 43,028,227,241.51
  5. Step 5: Solve for x
    x = 43,028,227,241.51/219,453.90
  6. Step 6: Final answer
    x = 196,069.55

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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.