Home / 187,719.50-259,052.91-112,268

Finding the Fourth Proportional to 187,719.50, 259,052.91 and 112,268

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Solution

The fourth proportional to 187,719.50, 259,052.91 and 112,268 is: 154,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,719.50 : 259,052.91 = 112,268 : x
  2. Step 2: Convert to fraction form
    187,719.50/259,052.91 = 112,268/x
  3. Step 3: Cross multiply
    187,719.50x = 259,052.91 × 112,268
  4. Step 4: Simplify right side
    187,719.50x = 29,083,352,099.88
  5. Step 5: Solve for x
    x = 29,083,352,099.88/187,719.50
  6. Step 6: Final answer
    x = 154,929.84

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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.