Home / 178,961.09-246,959.99-98,388

Finding the Fourth Proportional to 178,961.09, 246,959.99 and 98,388

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Solution

The fourth proportional to 178,961.09, 246,959.99 and 98,388 is: 135,771.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,961.09 : 246,959.99 = 98,388 : x
  2. Step 2: Convert to fraction form
    178,961.09/246,959.99 = 98,388/x
  3. Step 3: Cross multiply
    178,961.09x = 246,959.99 × 98,388
  4. Step 4: Simplify right side
    178,961.09x = 24,297,899,004.18
  5. Step 5: Solve for x
    x = 24,297,899,004.18/178,961.09
  6. Step 6: Final answer
    x = 135,771.97

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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.