Home / 179,379.66-247,538.79-102,911.46

Finding the Fourth Proportional to 179,379.66, 247,538.79 and 102,911.46

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Solution

The fourth proportional to 179,379.66, 247,538.79 and 102,911.46 is: 142,014.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,379.66 : 247,538.79 = 102,911.46 : x
  2. Step 2: Convert to fraction form
    179,379.66/247,538.79 = 102,911.46/x
  3. Step 3: Cross multiply
    179,379.66x = 247,538.79 × 102,911.46
  4. Step 4: Simplify right side
    179,379.66x = 25,474,578,285.53
  5. Step 5: Solve for x
    x = 25,474,578,285.53/179,379.66
  6. Step 6: Final answer
    x = 142,014.87

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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.