Home / 154,926.97-213,744.38-101,243.10

Finding the Fourth Proportional to 154,926.97, 213,744.38 and 101,243.10

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Solution

The fourth proportional to 154,926.97, 213,744.38 and 101,243.10 is: 139,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,926.97 : 213,744.38 = 101,243.10 : x
  2. Step 2: Convert to fraction form
    154,926.97/213,744.38 = 101,243.10/x
  3. Step 3: Cross multiply
    154,926.97x = 213,744.38 × 101,243.10
  4. Step 4: Simplify right side
    154,926.97x = 21,640,143,638.78
  5. Step 5: Solve for x
    x = 21,640,143,638.78/154,926.97
  6. Step 6: Final answer
    x = 139,679.64

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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.