Home / 139,322.06-192,262.74-75,660.32

Finding the Fourth Proportional to 139,322.06, 192,262.74 and 75,660.32

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Solution

The fourth proportional to 139,322.06, 192,262.74 and 75,660.32 is: 104,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,322.06 : 192,262.74 = 75,660.32 : x
  2. Step 2: Convert to fraction form
    139,322.06/192,262.74 = 75,660.32/x
  3. Step 3: Cross multiply
    139,322.06x = 192,262.74 × 75,660.32
  4. Step 4: Simplify right side
    139,322.06x = 14,546,659,471.16
  5. Step 5: Solve for x
    x = 14,546,659,471.16/139,322.06
  6. Step 6: Final answer
    x = 104,410.31

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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.