Home / 188,087.12-259,541.32-112,633.68

Finding the Fourth Proportional to 188,087.12, 259,541.32 and 112,633.68

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Solution

The fourth proportional to 188,087.12, 259,541.32 and 112,633.68 is: 155,423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,087.12 : 259,541.32 = 112,633.68 : x
  2. Step 2: Convert to fraction form
    188,087.12/259,541.32 = 112,633.68/x
  3. Step 3: Cross multiply
    188,087.12x = 259,541.32 × 112,633.68
  4. Step 4: Simplify right side
    188,087.12x = 29,233,093,983.66
  5. Step 5: Solve for x
    x = 29,233,093,983.66/188,087.12
  6. Step 6: Final answer
    x = 155,423.16

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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.