Home / 150,964.64-208,544.40-120,949.28

Finding the Fourth Proportional to 150,964.64, 208,544.40 and 120,949.28

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Solution

The fourth proportional to 150,964.64, 208,544.40 and 120,949.28 is: 167,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,964.64 : 208,544.40 = 120,949.28 : x
  2. Step 2: Convert to fraction form
    150,964.64/208,544.40 = 120,949.28/x
  3. Step 3: Cross multiply
    150,964.64x = 208,544.40 × 120,949.28
  4. Step 4: Simplify right side
    150,964.64x = 25,223,295,028.03
  5. Step 5: Solve for x
    x = 25,223,295,028.03/150,964.64
  6. Step 6: Final answer
    x = 167,080.81

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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.