Home / 139,313.06-192,252.72-75,650.84

Finding the Fourth Proportional to 139,313.06, 192,252.72 and 75,650.84

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Solution

The fourth proportional to 139,313.06, 192,252.72 and 75,650.84 is: 104,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,313.06 : 192,252.72 = 75,650.84 : x
  2. Step 2: Convert to fraction form
    139,313.06/192,252.72 = 75,650.84/x
  3. Step 3: Cross multiply
    139,313.06x = 192,252.72 × 75,650.84
  4. Step 4: Simplify right side
    139,313.06x = 14,544,079,760.28
  5. Step 5: Solve for x
    x = 14,544,079,760.28/139,313.06
  6. Step 6: Final answer
    x = 104,398.54

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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.