Home / 179,112.06-268,446.64-90,390.94

Finding the Fourth Proportional to 179,112.06, 268,446.64 and 90,390.94

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Solution

The fourth proportional to 179,112.06, 268,446.64 and 90,390.94 is: 135,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,112.06 : 268,446.64 = 90,390.94 : x
  2. Step 2: Convert to fraction form
    179,112.06/268,446.64 = 90,390.94/x
  3. Step 3: Cross multiply
    179,112.06x = 268,446.64 × 90,390.94
  4. Step 4: Simplify right side
    179,112.06x = 24,265,144,129.44
  5. Step 5: Solve for x
    x = 24,265,144,129.44/179,112.06
  6. Step 6: Final answer
    x = 135,474.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.