Home / 247,845.75-342,029.21-134,668.50

Finding the Fourth Proportional to 247,845.75, 342,029.21 and 134,668.50

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Solution

The fourth proportional to 247,845.75, 342,029.21 and 134,668.50 is: 185,843.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,845.75 : 342,029.21 = 134,668.50 : x
  2. Step 2: Convert to fraction form
    247,845.75/342,029.21 = 134,668.50/x
  3. Step 3: Cross multiply
    247,845.75x = 342,029.21 × 134,668.50
  4. Step 4: Simplify right side
    247,845.75x = 46,060,560,666.89
  5. Step 5: Solve for x
    x = 46,060,560,666.89/247,845.75
  6. Step 6: Final answer
    x = 185,843.66

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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.