Home / 84,485.25-126,727.88-22,155.75

Finding the Fourth Proportional to 84,485.25, 126,727.88 and 22,155.75

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Solution

The fourth proportional to 84,485.25, 126,727.88 and 22,155.75 is: 33,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,485.25 : 126,727.88 = 22,155.75 : x
  2. Step 2: Convert to fraction form
    84,485.25/126,727.88 = 22,155.75/x
  3. Step 3: Cross multiply
    84,485.25x = 126,727.88 × 22,155.75
  4. Step 4: Simplify right side
    84,485.25x = 2,807,751,116.53
  5. Step 5: Solve for x
    x = 2,807,751,116.53/84,485.25
  6. Step 6: Final answer
    x = 33,233.63

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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.