Home / 139,467.98-192,467.07-75,805.92

Finding the Fourth Proportional to 139,467.98, 192,467.07 and 75,805.92

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Solution

The fourth proportional to 139,467.98, 192,467.07 and 75,805.92 is: 104,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,467.98 : 192,467.07 = 75,805.92 : x
  2. Step 2: Convert to fraction form
    139,467.98/192,467.07 = 75,805.92/x
  3. Step 3: Cross multiply
    139,467.98x = 192,467.07 × 75,805.92
  4. Step 4: Simplify right side
    139,467.98x = 14,590,143,311.05
  5. Step 5: Solve for x
    x = 14,590,143,311.05/139,467.98
  6. Step 6: Final answer
    x = 104,612.85

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1.5x scale

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.