Home / 188,310.36-259,867.40-102,268.74

Finding the Fourth Proportional to 188,310.36, 259,867.40 and 102,268.74

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Solution

The fourth proportional to 188,310.36, 259,867.40 and 102,268.74 is: 141,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,310.36 : 259,867.40 = 102,268.74 : x
  2. Step 2: Convert to fraction form
    188,310.36/259,867.40 = 102,268.74/x
  3. Step 3: Cross multiply
    188,310.36x = 259,867.40 × 102,268.74
  4. Step 4: Simplify right side
    188,310.36x = 26,576,309,754.40
  5. Step 5: Solve for x
    x = 26,576,309,754.40/188,310.36
  6. Step 6: Final answer
    x = 141,130.37

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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.