Home / 248,382.90-342,758.85-140,946.54

Finding the Fourth Proportional to 248,382.90, 342,758.85 and 140,946.54

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Solution

The fourth proportional to 248,382.90, 342,758.85 and 140,946.54 is: 194,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,382.90 : 342,758.85 = 140,946.54 : x
  2. Step 2: Convert to fraction form
    248,382.90/342,758.85 = 140,946.54/x
  3. Step 3: Cross multiply
    248,382.90x = 342,758.85 × 140,946.54
  4. Step 4: Simplify right side
    248,382.90x = 48,310,673,961.88
  5. Step 5: Solve for x
    x = 48,310,673,961.88/248,382.90
  6. Step 6: Final answer
    x = 194,500.80

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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.