Home / 188,068.57-259,877.75-136,992.10

Finding the Fourth Proportional to 188,068.57, 259,877.75 and 136,992.10

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Solution

The fourth proportional to 188,068.57, 259,877.75 and 136,992.10 is: 189,299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,068.57 : 259,877.75 = 136,992.10 : x
  2. Step 2: Convert to fraction form
    188,068.57/259,877.75 = 136,992.10/x
  3. Step 3: Cross multiply
    188,068.57x = 259,877.75 × 136,992.10
  4. Step 4: Simplify right side
    188,068.57x = 35,601,197,407.57
  5. Step 5: Solve for x
    x = 35,601,197,407.57/188,068.57
  6. Step 6: Final answer
    x = 189,299.03

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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.