Home / 115,907.96-159,956.92-64,922.88

Finding the Fourth Proportional to 115,907.96, 159,956.92 and 64,922.88

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Solution

The fourth proportional to 115,907.96, 159,956.92 and 64,922.88 is: 89,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,907.96 : 159,956.92 = 64,922.88 : x
  2. Step 2: Convert to fraction form
    115,907.96/159,956.92 = 64,922.88/x
  3. Step 3: Cross multiply
    115,907.96x = 159,956.92 × 64,922.88
  4. Step 4: Simplify right side
    115,907.96x = 10,384,863,922.33
  5. Step 5: Solve for x
    x = 10,384,863,922.33/115,907.96
  6. Step 6: Final answer
    x = 89,595.78

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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.