Home / 178,665.21-246,560.67-98,100

Finding the Fourth Proportional to 178,665.21, 246,560.67 and 98,100

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Solution

The fourth proportional to 178,665.21, 246,560.67 and 98,100 is: 135,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,665.21 : 246,560.67 = 98,100 : x
  2. Step 2: Convert to fraction form
    178,665.21/246,560.67 = 98,100/x
  3. Step 3: Cross multiply
    178,665.21x = 246,560.67 × 98,100
  4. Step 4: Simplify right side
    178,665.21x = 24,187,601,727
  5. Step 5: Solve for x
    x = 24,187,601,727/178,665.21
  6. Step 6: Final answer
    x = 135,379.47

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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.