Home / 199,234.70-298,847.18-72,903.86

Finding the Fourth Proportional to 199,234.70, 298,847.18 and 72,903.86

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Solution

The fourth proportional to 199,234.70, 298,847.18 and 72,903.86 is: 109,354.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,234.70 : 298,847.18 = 72,903.86 : x
  2. Step 2: Convert to fraction form
    199,234.70/298,847.18 = 72,903.86/x
  3. Step 3: Cross multiply
    199,234.70x = 298,847.18 × 72,903.86
  4. Step 4: Simplify right side
    199,234.70x = 21,787,112,972.11
  5. Step 5: Solve for x
    x = 21,787,112,972.11/199,234.70
  6. Step 6: Final answer
    x = 109,354.01

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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.