Home / 190,757.28-263,250-104,720.16

Finding the Fourth Proportional to 190,757.28, 263,250 and 104,720.16

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Solution

The fourth proportional to 190,757.28, 263,250 and 104,720.16 is: 144,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,757.28 : 263,250 = 104,720.16 : x
  2. Step 2: Convert to fraction form
    190,757.28/263,250 = 104,720.16/x
  3. Step 3: Cross multiply
    190,757.28x = 263,250 × 104,720.16
  4. Step 4: Simplify right side
    190,757.28x = 27,567,582,120
  5. Step 5: Solve for x
    x = 27,567,582,120/190,757.28
  6. Step 6: Final answer
    x = 144,516.54

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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.