Home / 190,164.30-262,425.78-104,121.72

Finding the Fourth Proportional to 190,164.30, 262,425.78 and 104,121.72

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Solution

The fourth proportional to 190,164.30, 262,425.78 and 104,121.72 is: 143,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,164.30 : 262,425.78 = 104,121.72 : x
  2. Step 2: Convert to fraction form
    190,164.30/262,425.78 = 104,121.72/x
  3. Step 3: Cross multiply
    190,164.30x = 262,425.78 × 104,121.72
  4. Step 4: Simplify right side
    190,164.30x = 27,324,224,031.17
  5. Step 5: Solve for x
    x = 27,324,224,031.17/190,164.30
  6. Step 6: Final answer
    x = 143,687.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.