Home / 139,208.25-192,107.52-75,546.06

Finding the Fourth Proportional to 139,208.25, 192,107.52 and 75,546.06

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Solution

The fourth proportional to 139,208.25, 192,107.52 and 75,546.06 is: 104,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,208.25 : 192,107.52 = 75,546.06 : x
  2. Step 2: Convert to fraction form
    139,208.25/192,107.52 = 75,546.06/x
  3. Step 3: Cross multiply
    139,208.25x = 192,107.52 × 75,546.06
  4. Step 4: Simplify right side
    139,208.25x = 14,512,966,232.37
  5. Step 5: Solve for x
    x = 14,512,966,232.37/139,208.25
  6. Step 6: Final answer
    x = 104,253.64

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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.