Home / 214,980.60-322,474.06-81,868.24

Finding the Fourth Proportional to 214,980.60, 322,474.06 and 81,868.24

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Solution

The fourth proportional to 214,980.60, 322,474.06 and 81,868.24 is: 122,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,980.60 : 322,474.06 = 81,868.24 : x
  2. Step 2: Convert to fraction form
    214,980.60/322,474.06 = 81,868.24/x
  3. Step 3: Cross multiply
    214,980.60x = 322,474.06 × 81,868.24
  4. Step 4: Simplify right side
    214,980.60x = 26,400,383,737.85
  5. Step 5: Solve for x
    x = 26,400,383,737.85/214,980.60
  6. Step 6: Final answer
    x = 122,803.56

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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.