Home / 105,489.45-158,310.41-41,457.12

Finding the Fourth Proportional to 105,489.45, 158,310.41 and 41,457.12

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Solution

The fourth proportional to 105,489.45, 158,310.41 and 41,457.12 is: 62,215.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,489.45 : 158,310.41 = 41,457.12 : x
  2. Step 2: Convert to fraction form
    105,489.45/158,310.41 = 41,457.12/x
  3. Step 3: Cross multiply
    105,489.45x = 158,310.41 × 41,457.12
  4. Step 4: Simplify right side
    105,489.45x = 6,563,093,457.33
  5. Step 5: Solve for x
    x = 6,563,093,457.33/105,489.45
  6. Step 6: Final answer
    x = 62,215.64

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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.