Home / 149,448.09-206,235.06-81,462.48

Finding the Fourth Proportional to 149,448.09, 206,235.06 and 81,462.48

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Solution

The fourth proportional to 149,448.09, 206,235.06 and 81,462.48 is: 112,416.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,448.09 : 206,235.06 = 81,462.48 : x
  2. Step 2: Convert to fraction form
    149,448.09/206,235.06 = 81,462.48/x
  3. Step 3: Cross multiply
    149,448.09x = 206,235.06 × 81,462.48
  4. Step 4: Simplify right side
    149,448.09x = 16,800,419,450.55
  5. Step 5: Solve for x
    x = 16,800,419,450.55/149,448.09
  6. Step 6: Final answer
    x = 112,416.42

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1.5x scale

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.