Home / 122,015.12-168,262.56-95,147.82

Finding the Fourth Proportional to 122,015.12, 168,262.56 and 95,147.82

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Solution

The fourth proportional to 122,015.12, 168,262.56 and 95,147.82 is: 131,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,015.12 : 168,262.56 = 95,147.82 : x
  2. Step 2: Convert to fraction form
    122,015.12/168,262.56 = 95,147.82/x
  3. Step 3: Cross multiply
    122,015.12x = 168,262.56 × 95,147.82
  4. Step 4: Simplify right side
    122,015.12x = 16,009,815,771.62
  5. Step 5: Solve for x
    x = 16,009,815,771.62/122,015.12
  6. Step 6: Final answer
    x = 131,211.74

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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.