Home / 199,354.23-298,932.89-72,899.15

Finding the Fourth Proportional to 199,354.23, 298,932.89 and 72,899.15

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Solution

The fourth proportional to 199,354.23, 298,932.89 and 72,899.15 is: 109,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,354.23 : 298,932.89 = 72,899.15 : x
  2. Step 2: Convert to fraction form
    199,354.23/298,932.89 = 72,899.15/x
  3. Step 3: Cross multiply
    199,354.23x = 298,932.89 × 72,899.15
  4. Step 4: Simplify right side
    199,354.23x = 21,791,951,728.88
  5. Step 5: Solve for x
    x = 21,791,951,728.88/199,354.23
  6. Step 6: Final answer
    x = 109,312.71

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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.