Home / 251,485.68-346,951.76-143,997.86

Finding the Fourth Proportional to 251,485.68, 346,951.76 and 143,997.86

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Solution

The fourth proportional to 251,485.68, 346,951.76 and 143,997.86 is: 198,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,485.68 : 346,951.76 = 143,997.86 : x
  2. Step 2: Convert to fraction form
    251,485.68/346,951.76 = 143,997.86/x
  3. Step 3: Cross multiply
    251,485.68x = 346,951.76 × 143,997.86
  4. Step 4: Simplify right side
    251,485.68x = 49,960,310,963.23
  5. Step 5: Solve for x
    x = 49,960,310,963.23/251,485.68
  6. Step 6: Final answer
    x = 198,660.66

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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.