Home / 178,129.92-245,985.78-114,578.04

Finding the Fourth Proportional to 178,129.92, 245,985.78 and 114,578.04

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Solution

The fourth proportional to 178,129.92, 245,985.78 and 114,578.04 is: 158,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,129.92 : 245,985.78 = 114,578.04 : x
  2. Step 2: Convert to fraction form
    178,129.92/245,985.78 = 114,578.04/x
  3. Step 3: Cross multiply
    178,129.92x = 245,985.78 × 114,578.04
  4. Step 4: Simplify right side
    178,129.92x = 28,184,568,540.27
  5. Step 5: Solve for x
    x = 28,184,568,540.27/178,129.92
  6. Step 6: Final answer
    x = 158,224.79

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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.