Home / 106,356.36-159,570.66-66,867.24

Finding the Fourth Proportional to 106,356.36, 159,570.66 and 66,867.24

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Solution

The fourth proportional to 106,356.36, 159,570.66 and 66,867.24 is: 100,323.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,356.36 : 159,570.66 = 66,867.24 : x
  2. Step 2: Convert to fraction form
    106,356.36/159,570.66 = 66,867.24/x
  3. Step 3: Cross multiply
    106,356.36x = 159,570.66 × 66,867.24
  4. Step 4: Simplify right side
    106,356.36x = 10,670,049,619.18
  5. Step 5: Solve for x
    x = 10,670,049,619.18/106,356.36
  6. Step 6: Final answer
    x = 100,323.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.