Home / 99,474.36-149,078.43-48,795.90

Finding the Fourth Proportional to 99,474.36, 149,078.43 and 48,795.90

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Solution

The fourth proportional to 99,474.36, 149,078.43 and 48,795.90 is: 73,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,474.36 : 149,078.43 = 48,795.90 : x
  2. Step 2: Convert to fraction form
    99,474.36/149,078.43 = 48,795.90/x
  3. Step 3: Cross multiply
    99,474.36x = 149,078.43 × 48,795.90
  4. Step 4: Simplify right side
    99,474.36x = 7,274,416,162.44
  5. Step 5: Solve for x
    x = 7,274,416,162.44/99,474.36
  6. Step 6: Final answer
    x = 73,128.55

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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.