Home / 218,749.80-327,944.70-98,814.60

Finding the Fourth Proportional to 218,749.80, 327,944.70 and 98,814.60

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Solution

The fourth proportional to 218,749.80, 327,944.70 and 98,814.60 is: 148,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,749.80 : 327,944.70 = 98,814.60 : x
  2. Step 2: Convert to fraction form
    218,749.80/327,944.70 = 98,814.60/x
  3. Step 3: Cross multiply
    218,749.80x = 327,944.70 × 98,814.60
  4. Step 4: Simplify right side
    218,749.80x = 32,405,724,352.62
  5. Step 5: Solve for x
    x = 32,405,724,352.62/218,749.80
  6. Step 6: Final answer
    x = 148,140.59

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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.