Home / 122,288.27-168,759.55-73,883.47

Finding the Fourth Proportional to 122,288.27, 168,759.55 and 73,883.47

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Solution

The fourth proportional to 122,288.27, 168,759.55 and 73,883.47 is: 101,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,288.27 : 168,759.55 = 73,883.47 : x
  2. Step 2: Convert to fraction form
    122,288.27/168,759.55 = 73,883.47/x
  3. Step 3: Cross multiply
    122,288.27x = 168,759.55 × 73,883.47
  4. Step 4: Simplify right side
    122,288.27x = 12,468,540,661.88
  5. Step 5: Solve for x
    x = 12,468,540,661.88/122,288.27
  6. Step 6: Final answer
    x = 101,960.23

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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.