Home / 81,536.04-122,321.34-26,170.92

Finding the Fourth Proportional to 81,536.04, 122,321.34 and 26,170.92

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Solution

The fourth proportional to 81,536.04, 122,321.34 and 26,170.92 is: 39,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,536.04 : 122,321.34 = 26,170.92 : x
  2. Step 2: Convert to fraction form
    81,536.04/122,321.34 = 26,170.92/x
  3. Step 3: Cross multiply
    81,536.04x = 122,321.34 × 26,170.92
  4. Step 4: Simplify right side
    81,536.04x = 3,201,262,003.43
  5. Step 5: Solve for x
    x = 3,201,262,003.43/81,536.04
  6. Step 6: Final answer
    x = 39,261.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.