Home / 247,881.45-342,078.57-134,704.20

Finding the Fourth Proportional to 247,881.45, 342,078.57 and 134,704.20

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Solution

The fourth proportional to 247,881.45, 342,078.57 and 134,704.20 is: 185,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,881.45 : 342,078.57 = 134,704.20 : x
  2. Step 2: Convert to fraction form
    247,881.45/342,078.57 = 134,704.20/x
  3. Step 3: Cross multiply
    247,881.45x = 342,078.57 × 134,704.20
  4. Step 4: Simplify right side
    247,881.45x = 46,079,420,108.99
  5. Step 5: Solve for x
    x = 46,079,420,108.99/247,881.45
  6. Step 6: Final answer
    x = 185,892.97

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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.