Home / 199,036.43-298,677.68-80,708.79

Finding the Fourth Proportional to 199,036.43, 298,677.68 and 80,708.79

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Solution

The fourth proportional to 199,036.43, 298,677.68 and 80,708.79 is: 121,113.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,036.43 : 298,677.68 = 80,708.79 : x
  2. Step 2: Convert to fraction form
    199,036.43/298,677.68 = 80,708.79/x
  3. Step 3: Cross multiply
    199,036.43x = 298,677.68 × 80,708.79
  4. Step 4: Simplify right side
    199,036.43x = 24,105,913,749.26
  5. Step 5: Solve for x
    x = 24,105,913,749.26/199,036.43
  6. Step 6: Final answer
    x = 121,113.08

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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.