Home / 101,286.96-139,782.57-55,964.94

Finding the Fourth Proportional to 101,286.96, 139,782.57 and 55,964.94

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Solution

The fourth proportional to 101,286.96, 139,782.57 and 55,964.94 is: 77,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,286.96 : 139,782.57 = 55,964.94 : x
  2. Step 2: Convert to fraction form
    101,286.96/139,782.57 = 55,964.94/x
  3. Step 3: Cross multiply
    101,286.96x = 139,782.57 × 55,964.94
  4. Step 4: Simplify right side
    101,286.96x = 7,822,923,143.10
  5. Step 5: Solve for x
    x = 7,822,923,143.10/101,286.96
  6. Step 6: Final answer
    x = 77,235.24

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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.