Home / 199,169.13-298,842-104,376.78

Finding the Fourth Proportional to 199,169.13, 298,842 and 104,376.78

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Solution

The fourth proportional to 199,169.13, 298,842 and 104,376.78 is: 156,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,169.13 : 298,842 = 104,376.78 : x
  2. Step 2: Convert to fraction form
    199,169.13/298,842 = 104,376.78/x
  3. Step 3: Cross multiply
    199,169.13x = 298,842 × 104,376.78
  4. Step 4: Simplify right side
    199,169.13x = 31,192,165,688.76
  5. Step 5: Solve for x
    x = 31,192,165,688.76/199,169.13
  6. Step 6: Final answer
    x = 156,611.45

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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.