Home / 81,619.94-122,416.04-37,236.26

Finding the Fourth Proportional to 81,619.94, 122,416.04 and 37,236.26

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Solution

The fourth proportional to 81,619.94, 122,416.04 and 37,236.26 is: 55,848.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,619.94 : 122,416.04 = 37,236.26 : x
  2. Step 2: Convert to fraction form
    81,619.94/122,416.04 = 37,236.26/x
  3. Step 3: Cross multiply
    81,619.94x = 122,416.04 × 37,236.26
  4. Step 4: Simplify right side
    81,619.94x = 4,558,314,974.62
  5. Step 5: Solve for x
    x = 4,558,314,974.62/81,619.94
  6. Step 6: Final answer
    x = 55,848.06

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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.