Home / 102,823.20-154,137.60-60,735.60

Finding the Fourth Proportional to 102,823.20, 154,137.60 and 60,735.60

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Solution

The fourth proportional to 102,823.20, 154,137.60 and 60,735.60 is: 91,045.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,823.20 : 154,137.60 = 60,735.60 : x
  2. Step 2: Convert to fraction form
    102,823.20/154,137.60 = 60,735.60/x
  3. Step 3: Cross multiply
    102,823.20x = 154,137.60 × 60,735.60
  4. Step 4: Simplify right side
    102,823.20x = 9,361,639,618.56
  5. Step 5: Solve for x
    x = 9,361,639,618.56/102,823.20
  6. Step 6: Final answer
    x = 91,045.99

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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.