Home / 105,396.39-145,446.44-60,081.75

Finding the Fourth Proportional to 105,396.39, 145,446.44 and 60,081.75

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Solution

The fourth proportional to 105,396.39, 145,446.44 and 60,081.75 is: 82,912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,396.39 : 145,446.44 = 60,081.75 : x
  2. Step 2: Convert to fraction form
    105,396.39/145,446.44 = 60,081.75/x
  3. Step 3: Cross multiply
    105,396.39x = 145,446.44 × 60,081.75
  4. Step 4: Simplify right side
    105,396.39x = 8,738,676,346.06
  5. Step 5: Solve for x
    x = 8,738,676,346.06/105,396.39
  6. Step 6: Final answer
    x = 82,912.48

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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.