Home / 195,939.84-270,458.08-115,360.96

Finding the Fourth Proportional to 195,939.84, 270,458.08 and 115,360.96

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Solution

The fourth proportional to 195,939.84, 270,458.08 and 115,360.96 is: 159,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,939.84 : 270,458.08 = 115,360.96 : x
  2. Step 2: Convert to fraction form
    195,939.84/270,458.08 = 115,360.96/x
  3. Step 3: Cross multiply
    195,939.84x = 270,458.08 × 115,360.96
  4. Step 4: Simplify right side
    195,939.84x = 31,200,303,748.56
  5. Step 5: Solve for x
    x = 31,200,303,748.56/195,939.84
  6. Step 6: Final answer
    x = 159,234.10

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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.