Home / 121,033.68-166,932-82,816.02

Finding the Fourth Proportional to 121,033.68, 166,932 and 82,816.02

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Solution

The fourth proportional to 121,033.68, 166,932 and 82,816.02 is: 114,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,033.68 : 166,932 = 82,816.02 : x
  2. Step 2: Convert to fraction form
    121,033.68/166,932 = 82,816.02/x
  3. Step 3: Cross multiply
    121,033.68x = 166,932 × 82,816.02
  4. Step 4: Simplify right side
    121,033.68x = 13,824,643,850.64
  5. Step 5: Solve for x
    x = 13,824,643,850.64/121,033.68
  6. Step 6: Final answer
    x = 114,221.46

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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.