Home / 248,720.12-343,242.98-141,308.37

Finding the Fourth Proportional to 248,720.12, 343,242.98 and 141,308.37

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Solution

The fourth proportional to 248,720.12, 343,242.98 and 141,308.37 is: 195,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,720.12 : 343,242.98 = 141,308.37 : x
  2. Step 2: Convert to fraction form
    248,720.12/343,242.98 = 141,308.37/x
  3. Step 3: Cross multiply
    248,720.12x = 343,242.98 × 141,308.37
  4. Step 4: Simplify right side
    248,720.12x = 48,503,105,311.20
  5. Step 5: Solve for x
    x = 48,503,105,311.20/248,720.12
  6. Step 6: Final answer
    x = 195,010.79

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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.