Home / 199,226.70-298,835.19-72,895.86

Finding the Fourth Proportional to 199,226.70, 298,835.19 and 72,895.86

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Solution

The fourth proportional to 199,226.70, 298,835.19 and 72,895.86 is: 109,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,226.70 : 298,835.19 = 72,895.86 : x
  2. Step 2: Convert to fraction form
    199,226.70/298,835.19 = 72,895.86/x
  3. Step 3: Cross multiply
    199,226.70x = 298,835.19 × 72,895.86
  4. Step 4: Simplify right side
    199,226.70x = 21,783,848,173.31
  5. Step 5: Solve for x
    x = 21,783,848,173.31/199,226.70
  6. Step 6: Final answer
    x = 109,342.01

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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.