Home / 149,123.96-205,858.24-98,163.44

Finding the Fourth Proportional to 149,123.96, 205,858.24 and 98,163.44

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Solution

The fourth proportional to 149,123.96, 205,858.24 and 98,163.44 is: 135,509.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,123.96 : 205,858.24 = 98,163.44 : x
  2. Step 2: Convert to fraction form
    149,123.96/205,858.24 = 98,163.44/x
  3. Step 3: Cross multiply
    149,123.96x = 205,858.24 × 98,163.44
  4. Step 4: Simplify right side
    149,123.96x = 20,207,752,990.75
  5. Step 5: Solve for x
    x = 20,207,752,990.75/149,123.96
  6. Step 6: Final answer
    x = 135,509.77

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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.