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Finding the Fourth Proportional to 175,155.44, 241,664.50 and 98,647.78

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Solution

The fourth proportional to 175,155.44, 241,664.50 and 98,647.78 is: 136,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,155.44 : 241,664.50 = 98,647.78 : x
  2. Step 2: Convert to fraction form
    175,155.44/241,664.50 = 98,647.78/x
  3. Step 3: Cross multiply
    175,155.44x = 241,664.50 × 98,647.78
  4. Step 4: Simplify right side
    175,155.44x = 23,839,665,221.49
  5. Step 5: Solve for x
    x = 23,839,665,221.49/175,155.44
  6. Step 6: Final answer
    x = 136,105.77

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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.