Home / 240,676.25-361,125-90,968.54

Finding the Fourth Proportional to 240,676.25, 361,125 and 90,968.54

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Solution

The fourth proportional to 240,676.25, 361,125 and 90,968.54 is: 136,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,676.25 : 361,125 = 90,968.54 : x
  2. Step 2: Convert to fraction form
    240,676.25/361,125 = 90,968.54/x
  3. Step 3: Cross multiply
    240,676.25x = 361,125 × 90,968.54
  4. Step 4: Simplify right side
    240,676.25x = 32,851,012,201.88
  5. Step 5: Solve for x
    x = 32,851,012,201.88/240,676.25
  6. Step 6: Final answer
    x = 136,494.62

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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.