Home / 208,847.48-313,221.03-96,419.68

Finding the Fourth Proportional to 208,847.48, 313,221.03 and 96,419.68

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Solution

The fourth proportional to 208,847.48, 313,221.03 and 96,419.68 is: 144,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,847.48 : 313,221.03 = 96,419.68 : x
  2. Step 2: Convert to fraction form
    208,847.48/313,221.03 = 96,419.68/x
  3. Step 3: Cross multiply
    208,847.48x = 313,221.03 × 96,419.68
  4. Step 4: Simplify right side
    208,847.48x = 30,200,671,481.87
  5. Step 5: Solve for x
    x = 30,200,671,481.87/208,847.48
  6. Step 6: Final answer
    x = 144,606.35

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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.