Home / 188,310.11-259,867.06-102,268.49

Finding the Fourth Proportional to 188,310.11, 259,867.06 and 102,268.49

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Solution

The fourth proportional to 188,310.11, 259,867.06 and 102,268.49 is: 141,130.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,310.11 : 259,867.06 = 102,268.49 : x
  2. Step 2: Convert to fraction form
    188,310.11/259,867.06 = 102,268.49/x
  3. Step 3: Cross multiply
    188,310.11x = 259,867.06 × 102,268.49
  4. Step 4: Simplify right side
    188,310.11x = 26,576,210,271.93
  5. Step 5: Solve for x
    x = 26,576,210,271.93/188,310.11
  6. Step 6: Final answer
    x = 141,130.03

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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.