Home / 180,893.52-249,634.44-100,327.68

Finding the Fourth Proportional to 180,893.52, 249,634.44 and 100,327.68

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Solution

The fourth proportional to 180,893.52, 249,634.44 and 100,327.68 is: 138,452.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,893.52 : 249,634.44 = 100,327.68 : x
  2. Step 2: Convert to fraction form
    180,893.52/249,634.44 = 100,327.68/x
  3. Step 3: Cross multiply
    180,893.52x = 249,634.44 × 100,327.68
  4. Step 4: Simplify right side
    180,893.52x = 25,045,244,213.30
  5. Step 5: Solve for x
    x = 25,045,244,213.30/180,893.52
  6. Step 6: Final answer
    x = 138,452.97

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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.