Home / 122,067.50-168,438.98-71,091.37

Finding the Fourth Proportional to 122,067.50, 168,438.98 and 71,091.37

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Solution

The fourth proportional to 122,067.50, 168,438.98 and 71,091.37 is: 98,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,067.50 : 168,438.98 = 71,091.37 : x
  2. Step 2: Convert to fraction form
    122,067.50/168,438.98 = 71,091.37/x
  3. Step 3: Cross multiply
    122,067.50x = 168,438.98 × 71,091.37
  4. Step 4: Simplify right side
    122,067.50x = 11,974,556,651.95
  5. Step 5: Solve for x
    x = 11,974,556,651.95/122,067.50
  6. Step 6: Final answer
    x = 98,097.83

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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.