Home / 190,204.28-262,481.86-105,321.32

Finding the Fourth Proportional to 190,204.28, 262,481.86 and 105,321.32

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Solution

The fourth proportional to 190,204.28, 262,481.86 and 105,321.32 is: 145,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,204.28 : 262,481.86 = 105,321.32 : x
  2. Step 2: Convert to fraction form
    190,204.28/262,481.86 = 105,321.32/x
  3. Step 3: Cross multiply
    190,204.28x = 262,481.86 × 105,321.32
  4. Step 4: Simplify right side
    190,204.28x = 27,644,935,971.26
  5. Step 5: Solve for x
    x = 27,644,935,971.26/190,204.28
  6. Step 6: Final answer
    x = 145,343.40

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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.