Home / 101,257.66-139,723.59-55,932.92

Finding the Fourth Proportional to 101,257.66, 139,723.59 and 55,932.92

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Solution

The fourth proportional to 101,257.66, 139,723.59 and 55,932.92 is: 77,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,257.66 : 139,723.59 = 55,932.92 : x
  2. Step 2: Convert to fraction form
    101,257.66/139,723.59 = 55,932.92/x
  3. Step 3: Cross multiply
    101,257.66x = 139,723.59 × 55,932.92
  4. Step 4: Simplify right side
    101,257.66x = 7,815,148,102.05
  5. Step 5: Solve for x
    x = 7,815,148,102.05/101,257.66
  6. Step 6: Final answer
    x = 77,180.81

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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.