Home / 108,836.21-150,185.72-61,080.33

Finding the Fourth Proportional to 108,836.21, 150,185.72 and 61,080.33

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Solution

The fourth proportional to 108,836.21, 150,185.72 and 61,080.33 is: 84,286.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,836.21 : 150,185.72 = 61,080.33 : x
  2. Step 2: Convert to fraction form
    108,836.21/150,185.72 = 61,080.33/x
  3. Step 3: Cross multiply
    108,836.21x = 150,185.72 × 61,080.33
  4. Step 4: Simplify right side
    108,836.21x = 9,173,393,033.49
  5. Step 5: Solve for x
    x = 9,173,393,033.49/108,836.21
  6. Step 6: Final answer
    x = 84,286.23

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1.5x scale

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.