Home / 122,028.48-168,370.31-71,010.33

Finding the Fourth Proportional to 122,028.48, 168,370.31 and 71,010.33

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Solution

The fourth proportional to 122,028.48, 168,370.31 and 71,010.33 is: 97,977.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,028.48 : 168,370.31 = 71,010.33 : x
  2. Step 2: Convert to fraction form
    122,028.48/168,370.31 = 71,010.33/x
  3. Step 3: Cross multiply
    122,028.48x = 168,370.31 × 71,010.33
  4. Step 4: Simplify right side
    122,028.48x = 11,956,030,821.44
  5. Step 5: Solve for x
    x = 11,956,030,821.44/122,028.48
  6. Step 6: Final answer
    x = 97,977.38

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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.