Home / 248,357.85-342,724.31-140,921.47

Finding the Fourth Proportional to 248,357.85, 342,724.31 and 140,921.47

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Solution

The fourth proportional to 248,357.85, 342,724.31 and 140,921.47 is: 194,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,357.85 : 342,724.31 = 140,921.47 : x
  2. Step 2: Convert to fraction form
    248,357.85/342,724.31 = 140,921.47/x
  3. Step 3: Cross multiply
    248,357.85x = 342,724.31 × 140,921.47
  4. Step 4: Simplify right side
    248,357.85x = 48,297,214,614.87
  5. Step 5: Solve for x
    x = 48,297,214,614.87/248,357.85
  6. Step 6: Final answer
    x = 194,466.23

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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.