Home / 137,893.53-190,287.05-84,268.29

Finding the Fourth Proportional to 137,893.53, 190,287.05 and 84,268.29

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Solution

The fourth proportional to 137,893.53, 190,287.05 and 84,268.29 is: 116,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,893.53 : 190,287.05 = 84,268.29 : x
  2. Step 2: Convert to fraction form
    137,893.53/190,287.05 = 84,268.29/x
  3. Step 3: Cross multiply
    137,893.53x = 190,287.05 × 84,268.29
  4. Step 4: Simplify right side
    137,893.53x = 16,035,163,891.30
  5. Step 5: Solve for x
    x = 16,035,163,891.30/137,893.53
  6. Step 6: Final answer
    x = 116,286.56

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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.