Home / 248,739.72-343,261.96-141,315.65

Finding the Fourth Proportional to 248,739.72, 343,261.96 and 141,315.65

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Solution

The fourth proportional to 248,739.72, 343,261.96 and 141,315.65 is: 195,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,739.72 : 343,261.96 = 141,315.65 : x
  2. Step 2: Convert to fraction form
    248,739.72/343,261.96 = 141,315.65/x
  3. Step 3: Cross multiply
    248,739.72x = 343,261.96 × 141,315.65
  4. Step 4: Simplify right side
    248,739.72x = 48,508,286,997.67
  5. Step 5: Solve for x
    x = 48,508,286,997.67/248,739.72
  6. Step 6: Final answer
    x = 195,016.25

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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.