Home / 99,451.36-149,181.97-28,384.48

Finding the Fourth Proportional to 99,451.36, 149,181.97 and 28,384.48

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Solution

The fourth proportional to 99,451.36, 149,181.97 and 28,384.48 is: 42,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,451.36 : 149,181.97 = 28,384.48 : x
  2. Step 2: Convert to fraction form
    99,451.36/149,181.97 = 28,384.48/x
  3. Step 3: Cross multiply
    99,451.36x = 149,181.97 × 28,384.48
  4. Step 4: Simplify right side
    99,451.36x = 4,234,451,973.41
  5. Step 5: Solve for x
    x = 4,234,451,973.41/99,451.36
  6. Step 6: Final answer
    x = 42,578.12

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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.