Home / 106,290.68-146,675.59-66,003.57

Finding the Fourth Proportional to 106,290.68, 146,675.59 and 66,003.57

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Solution

The fourth proportional to 106,290.68, 146,675.59 and 66,003.57 is: 91,081.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,290.68 : 146,675.59 = 66,003.57 : x
  2. Step 2: Convert to fraction form
    106,290.68/146,675.59 = 66,003.57/x
  3. Step 3: Cross multiply
    106,290.68x = 146,675.59 × 66,003.57
  4. Step 4: Simplify right side
    106,290.68x = 9,681,112,241.84
  5. Step 5: Solve for x
    x = 9,681,112,241.84/106,290.68
  6. Step 6: Final answer
    x = 91,081.48

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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.