Home / 191,988-264,943.44-107,105.04

Finding the Fourth Proportional to 191,988, 264,943.44 and 107,105.04

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Solution

The fourth proportional to 191,988, 264,943.44 and 107,105.04 is: 147,804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,988 : 264,943.44 = 107,105.04 : x
  2. Step 2: Convert to fraction form
    191,988/264,943.44 = 107,105.04/x
  3. Step 3: Cross multiply
    191,988x = 264,943.44 × 107,105.04
  4. Step 4: Simplify right side
    191,988x = 28,376,777,738.94
  5. Step 5: Solve for x
    x = 28,376,777,738.94/191,988
  6. Step 6: Final answer
    x = 147,804.96

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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.