Home / 119,721.75-179,583.53-53,143.98

Finding the Fourth Proportional to 119,721.75, 179,583.53 and 53,143.98

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Solution

The fourth proportional to 119,721.75, 179,583.53 and 53,143.98 is: 79,716.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,721.75 : 179,583.53 = 53,143.98 : x
  2. Step 2: Convert to fraction form
    119,721.75/179,583.53 = 53,143.98/x
  3. Step 3: Cross multiply
    119,721.75x = 179,583.53 × 53,143.98
  4. Step 4: Simplify right side
    119,721.75x = 9,543,783,260.93
  5. Step 5: Solve for x
    x = 9,543,783,260.93/119,721.75
  6. Step 6: Final answer
    x = 79,716.37

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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.