Home / 248,375.90-342,749.19-140,939.54

Finding the Fourth Proportional to 248,375.90, 342,749.19 and 140,939.54

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Solution

The fourth proportional to 248,375.90, 342,749.19 and 140,939.54 is: 194,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,375.90 : 342,749.19 = 140,939.54 : x
  2. Step 2: Convert to fraction form
    248,375.90/342,749.19 = 140,939.54/x
  3. Step 3: Cross multiply
    248,375.90x = 342,749.19 × 140,939.54
  4. Step 4: Simplify right side
    248,375.90x = 48,306,913,173.97
  5. Step 5: Solve for x
    x = 48,306,913,173.97/248,375.90
  6. Step 6: Final answer
    x = 194,491.14

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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.