Home / 199,272.34-298,963.19-99,311.86

Finding the Fourth Proportional to 199,272.34, 298,963.19 and 99,311.86

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Solution

The fourth proportional to 199,272.34, 298,963.19 and 99,311.86 is: 148,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,272.34 : 298,963.19 = 99,311.86 : x
  2. Step 2: Convert to fraction form
    199,272.34/298,963.19 = 99,311.86/x
  3. Step 3: Cross multiply
    199,272.34x = 298,963.19 × 99,311.86
  4. Step 4: Simplify right side
    199,272.34x = 29,690,590,470.43
  5. Step 5: Solve for x
    x = 29,690,590,470.43/199,272.34
  6. Step 6: Final answer
    x = 148,995.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.