Home / 99,448.85-149,187.26-31,958.27

Finding the Fourth Proportional to 99,448.85, 149,187.26 and 31,958.27

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Solution

The fourth proportional to 99,448.85, 149,187.26 and 31,958.27 is: 47,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,448.85 : 149,187.26 = 31,958.27 : x
  2. Step 2: Convert to fraction form
    99,448.85/149,187.26 = 31,958.27/x
  3. Step 3: Cross multiply
    99,448.85x = 149,187.26 × 31,958.27
  4. Step 4: Simplify right side
    99,448.85x = 4,767,766,629.05
  5. Step 5: Solve for x
    x = 4,767,766,629.05/99,448.85
  6. Step 6: Final answer
    x = 47,941.90

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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.