Home / 248,242.12-342,556.80-140,829.44

Finding the Fourth Proportional to 248,242.12, 342,556.80 and 140,829.44

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Solution

The fourth proportional to 248,242.12, 342,556.80 and 140,829.44 is: 194,334.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,242.12 : 342,556.80 = 140,829.44 : x
  2. Step 2: Convert to fraction form
    248,242.12/342,556.80 = 140,829.44/x
  3. Step 3: Cross multiply
    248,242.12x = 342,556.80 × 140,829.44
  4. Step 4: Simplify right side
    248,242.12x = 48,242,080,071.30
  5. Step 5: Solve for x
    x = 48,242,080,071.30/248,242.12
  6. Step 6: Final answer
    x = 194,334.79

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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.