Home / 139,364.37-192,321.93-75,701.61

Finding the Fourth Proportional to 139,364.37, 192,321.93 and 75,701.61

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Solution

The fourth proportional to 139,364.37, 192,321.93 and 75,701.61 is: 104,467.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,364.37 : 192,321.93 = 75,701.61 : x
  2. Step 2: Convert to fraction form
    139,364.37/192,321.93 = 75,701.61/x
  3. Step 3: Cross multiply
    139,364.37x = 192,321.93 × 75,701.61
  4. Step 4: Simplify right side
    139,364.37x = 14,559,079,739.31
  5. Step 5: Solve for x
    x = 14,559,079,739.31/139,364.37
  6. Step 6: Final answer
    x = 104,467.73

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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.