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Finding the Fourth Proportional to 199,348.92, 299,147.88 and 81,020.22

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Solution

The fourth proportional to 199,348.92, 299,147.88 and 81,020.22 is: 121,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,348.92 : 299,147.88 = 81,020.22 : x
  2. Step 2: Convert to fraction form
    199,348.92/299,147.88 = 81,020.22/x
  3. Step 3: Cross multiply
    199,348.92x = 299,147.88 × 81,020.22
  4. Step 4: Simplify right side
    199,348.92x = 24,237,027,050.13
  5. Step 5: Solve for x
    x = 24,237,027,050.13/199,348.92
  6. Step 6: Final answer
    x = 121,580.93

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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.