Home / 248,103.54-342,375.57-140,683.38

Finding the Fourth Proportional to 248,103.54, 342,375.57 and 140,683.38

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Solution

The fourth proportional to 248,103.54, 342,375.57 and 140,683.38 is: 194,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,103.54 : 342,375.57 = 140,683.38 : x
  2. Step 2: Convert to fraction form
    248,103.54/342,375.57 = 140,683.38/x
  3. Step 3: Cross multiply
    248,103.54x = 342,375.57 × 140,683.38
  4. Step 4: Simplify right side
    248,103.54x = 48,166,552,417.03
  5. Step 5: Solve for x
    x = 48,166,552,417.03/248,103.54
  6. Step 6: Final answer
    x = 194,138.92

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1.5x scale

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.