Home / 109,786.32-164,664.90-30,907.32

Finding the Fourth Proportional to 109,786.32, 164,664.90 and 30,907.32

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Solution

The fourth proportional to 109,786.32, 164,664.90 and 30,907.32 is: 46,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,786.32 : 164,664.90 = 30,907.32 : x
  2. Step 2: Convert to fraction form
    109,786.32/164,664.90 = 30,907.32/x
  3. Step 3: Cross multiply
    109,786.32x = 164,664.90 × 30,907.32
  4. Step 4: Simplify right side
    109,786.32x = 5,089,350,757.07
  5. Step 5: Solve for x
    x = 5,089,350,757.07/109,786.32
  6. Step 6: Final answer
    x = 46,356.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.