Home / 248,131.60-372,162.14-79,630.12

Finding the Fourth Proportional to 248,131.60, 372,162.14 and 79,630.12

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Solution

The fourth proportional to 248,131.60, 372,162.14 and 79,630.12 is: 119,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,131.60 : 372,162.14 = 79,630.12 : x
  2. Step 2: Convert to fraction form
    248,131.60/372,162.14 = 79,630.12/x
  3. Step 3: Cross multiply
    248,131.60x = 372,162.14 × 79,630.12
  4. Step 4: Simplify right side
    248,131.60x = 29,635,315,867.66
  5. Step 5: Solve for x
    x = 29,635,315,867.66/248,131.60
  6. Step 6: Final answer
    x = 119,433.86

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1.5x scale

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.