Home / 148,180.14-204,480.75-81,099.18

Finding the Fourth Proportional to 148,180.14, 204,480.75 and 81,099.18

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Solution

The fourth proportional to 148,180.14, 204,480.75 and 81,099.18 is: 111,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,180.14 : 204,480.75 = 81,099.18 : x
  2. Step 2: Convert to fraction form
    148,180.14/204,480.75 = 81,099.18/x
  3. Step 3: Cross multiply
    148,180.14x = 204,480.75 × 81,099.18
  4. Step 4: Simplify right side
    148,180.14x = 16,583,221,150.79
  5. Step 5: Solve for x
    x = 16,583,221,150.79/148,180.14
  6. Step 6: Final answer
    x = 111,912.58

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1.5x scale

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.