Home / 106,268.53-159,580.49-66,380.39

Finding the Fourth Proportional to 106,268.53, 159,580.49 and 66,380.39

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Solution

The fourth proportional to 106,268.53, 159,580.49 and 66,380.39 is: 99,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,268.53 : 159,580.49 = 66,380.39 : x
  2. Step 2: Convert to fraction form
    106,268.53/159,580.49 = 66,380.39/x
  3. Step 3: Cross multiply
    106,268.53x = 159,580.49 × 66,380.39
  4. Step 4: Simplify right side
    106,268.53x = 10,593,014,649.13
  5. Step 5: Solve for x
    x = 10,593,014,649.13/106,268.53
  6. Step 6: Final answer
    x = 99,681.57

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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.