Home / 187,682.08-281,324.40-87,758.32

Finding the Fourth Proportional to 187,682.08, 281,324.40 and 87,758.32

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Solution

The fourth proportional to 187,682.08, 281,324.40 and 87,758.32 is: 131,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,682.08 : 281,324.40 = 87,758.32 : x
  2. Step 2: Convert to fraction form
    187,682.08/281,324.40 = 87,758.32/x
  3. Step 3: Cross multiply
    187,682.08x = 281,324.40 × 87,758.32
  4. Step 4: Simplify right side
    187,682.08x = 24,688,556,719.01
  5. Step 5: Solve for x
    x = 24,688,556,719.01/187,682.08
  6. Step 6: Final answer
    x = 131,544.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.