Home / 122,954.14-168,570.77-120,712.47

Finding the Fourth Proportional to 122,954.14, 168,570.77 and 120,712.47

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Solution

The fourth proportional to 122,954.14, 168,570.77 and 120,712.47 is: 165,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,954.14 : 168,570.77 = 120,712.47 : x
  2. Step 2: Convert to fraction form
    122,954.14/168,570.77 = 120,712.47/x
  3. Step 3: Cross multiply
    122,954.14x = 168,570.77 × 120,712.47
  4. Step 4: Simplify right side
    122,954.14x = 20,348,594,016.50
  5. Step 5: Solve for x
    x = 20,348,594,016.50/122,954.14
  6. Step 6: Final answer
    x = 165,497.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.