Home / 81,454.36-122,176.96-22,285.67

Finding the Fourth Proportional to 81,454.36, 122,176.96 and 22,285.67

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Solution

The fourth proportional to 81,454.36, 122,176.96 and 22,285.67 is: 33,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,454.36 : 122,176.96 = 22,285.67 : x
  2. Step 2: Convert to fraction form
    81,454.36/122,176.96 = 22,285.67/x
  3. Step 3: Cross multiply
    81,454.36x = 122,176.96 × 22,285.67
  4. Step 4: Simplify right side
    81,454.36x = 2,722,795,412.16
  5. Step 5: Solve for x
    x = 2,722,795,412.16/81,454.36
  6. Step 6: Final answer
    x = 33,427.25

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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.