Home / 190,057.73-262,276.31-109,485

Finding the Fourth Proportional to 190,057.73, 262,276.31 and 109,485

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Solution

The fourth proportional to 190,057.73, 262,276.31 and 109,485 is: 151,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,057.73 : 262,276.31 = 109,485 : x
  2. Step 2: Convert to fraction form
    190,057.73/262,276.31 = 109,485/x
  3. Step 3: Cross multiply
    190,057.73x = 262,276.31 × 109,485
  4. Step 4: Simplify right side
    190,057.73x = 28,715,322,074.06
  5. Step 5: Solve for x
    x = 28,715,322,074.06/190,057.73
  6. Step 6: Final answer
    x = 151,087.37

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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.