Home / 191,919.90-264,849.92-107,042.43

Finding the Fourth Proportional to 191,919.90, 264,849.92 and 107,042.43

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Solution

The fourth proportional to 191,919.90, 264,849.92 and 107,042.43 is: 147,718.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,919.90 : 264,849.92 = 107,042.43 : x
  2. Step 2: Convert to fraction form
    191,919.90/264,849.92 = 107,042.43/x
  3. Step 3: Cross multiply
    191,919.90x = 264,849.92 × 107,042.43
  4. Step 4: Simplify right side
    191,919.90x = 28,350,179,022.11
  5. Step 5: Solve for x
    x = 28,350,179,022.11/191,919.90
  6. Step 6: Final answer
    x = 147,718.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.