Home / 199,271.34-298,961.69-99,310.86

Finding the Fourth Proportional to 199,271.34, 298,961.69 and 99,310.86

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Solution

The fourth proportional to 199,271.34, 298,961.69 and 99,310.86 is: 148,993.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,271.34 : 298,961.69 = 99,310.86 : x
  2. Step 2: Convert to fraction form
    199,271.34/298,961.69 = 99,310.86/x
  3. Step 3: Cross multiply
    199,271.34x = 298,961.69 × 99,310.86
  4. Step 4: Simplify right side
    199,271.34x = 29,690,142,044.40
  5. Step 5: Solve for x
    x = 29,690,142,044.40/199,271.34
  6. Step 6: Final answer
    x = 148,993.54

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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.