Home / 190,164.38-262,428.66-105,283.26

Finding the Fourth Proportional to 190,164.38, 262,428.66 and 105,283.26

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Solution

The fourth proportional to 190,164.38, 262,428.66 and 105,283.26 is: 145,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,164.38 : 262,428.66 = 105,283.26 : x
  2. Step 2: Convert to fraction form
    190,164.38/262,428.66 = 105,283.26/x
  3. Step 3: Cross multiply
    190,164.38x = 262,428.66 × 105,283.26
  4. Step 4: Simplify right side
    190,164.38x = 27,629,344,842.23
  5. Step 5: Solve for x
    x = 27,629,344,842.23/190,164.38
  6. Step 6: Final answer
    x = 145,291.91

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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.