Home / 132,243.15-198,393.89-43,493.07

Finding the Fourth Proportional to 132,243.15, 198,393.89 and 43,493.07

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Solution

The fourth proportional to 132,243.15, 198,393.89 and 43,493.07 is: 65,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,243.15 : 198,393.89 = 43,493.07 : x
  2. Step 2: Convert to fraction form
    132,243.15/198,393.89 = 43,493.07/x
  3. Step 3: Cross multiply
    132,243.15x = 198,393.89 × 43,493.07
  4. Step 4: Simplify right side
    132,243.15x = 8,628,759,127.88
  5. Step 5: Solve for x
    x = 8,628,759,127.88/132,243.15
  6. Step 6: Final answer
    x = 65,249.20

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1.5x scale

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.