Home / 191,982.76-264,933.06-107,109.16

Finding the Fourth Proportional to 191,982.76, 264,933.06 and 107,109.16

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Solution

The fourth proportional to 191,982.76, 264,933.06 and 107,109.16 is: 147,808.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,982.76 : 264,933.06 = 107,109.16 : x
  2. Step 2: Convert to fraction form
    191,982.76/264,933.06 = 107,109.16/x
  3. Step 3: Cross multiply
    191,982.76x = 264,933.06 × 107,109.16
  4. Step 4: Simplify right side
    191,982.76x = 28,376,757,512.83
  5. Step 5: Solve for x
    x = 28,376,757,512.83/191,982.76
  6. Step 6: Final answer
    x = 147,808.88

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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.