Home / 108,928.94-150,305.63-61,173.09

Finding the Fourth Proportional to 108,928.94, 150,305.63 and 61,173.09

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Solution

The fourth proportional to 108,928.94, 150,305.63 and 61,173.09 is: 84,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,928.94 : 150,305.63 = 61,173.09 : x
  2. Step 2: Convert to fraction form
    108,928.94/150,305.63 = 61,173.09/x
  3. Step 3: Cross multiply
    108,928.94x = 150,305.63 × 61,173.09
  4. Step 4: Simplify right side
    108,928.94x = 9,194,659,525.63
  5. Step 5: Solve for x
    x = 9,194,659,525.63/108,928.94
  6. Step 6: Final answer
    x = 84,409.71

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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.