Home / 94,954.10-142,480.66-68,874.12

Finding the Fourth Proportional to 94,954.10, 142,480.66 and 68,874.12

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Solution

The fourth proportional to 94,954.10, 142,480.66 and 68,874.12 is: 103,347.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,954.10 : 142,480.66 = 68,874.12 : x
  2. Step 2: Convert to fraction form
    94,954.10/142,480.66 = 68,874.12/x
  3. Step 3: Cross multiply
    94,954.10x = 142,480.66 × 68,874.12
  4. Step 4: Simplify right side
    94,954.10x = 9,813,230,074.52
  5. Step 5: Solve for x
    x = 9,813,230,074.52/94,954.10
  6. Step 6: Final answer
    x = 103,347.09

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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.