Home / 109,120.21-150,584.44-61,373.56

Finding the Fourth Proportional to 109,120.21, 150,584.44 and 61,373.56

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Solution

The fourth proportional to 109,120.21, 150,584.44 and 61,373.56 is: 84,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,120.21 : 150,584.44 = 61,373.56 : x
  2. Step 2: Convert to fraction form
    109,120.21/150,584.44 = 61,373.56/x
  3. Step 3: Cross multiply
    109,120.21x = 150,584.44 × 61,373.56
  4. Step 4: Simplify right side
    109,120.21x = 9,241,903,163.41
  5. Step 5: Solve for x
    x = 9,241,903,163.41/109,120.21
  6. Step 6: Final answer
    x = 84,694.70

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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.