Home / 248,242.04-372,453.30-121,869

Finding the Fourth Proportional to 248,242.04, 372,453.30 and 121,869

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Solution

The fourth proportional to 248,242.04, 372,453.30 and 121,869 is: 182,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,242.04 : 372,453.30 = 121,869 : x
  2. Step 2: Convert to fraction form
    248,242.04/372,453.30 = 121,869/x
  3. Step 3: Cross multiply
    248,242.04x = 372,453.30 × 121,869
  4. Step 4: Simplify right side
    248,242.04x = 45,390,511,217.70
  5. Step 5: Solve for x
    x = 45,390,511,217.70/248,242.04
  6. Step 6: Final answer
    x = 182,847.80

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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.