Home / 215,110.82-322,663.50-96,698.45

Finding the Fourth Proportional to 215,110.82, 322,663.50 and 96,698.45

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Solution

The fourth proportional to 215,110.82, 322,663.50 and 96,698.45 is: 145,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,110.82 : 322,663.50 = 96,698.45 : x
  2. Step 2: Convert to fraction form
    215,110.82/322,663.50 = 96,698.45/x
  3. Step 3: Cross multiply
    215,110.82x = 322,663.50 × 96,698.45
  4. Step 4: Simplify right side
    215,110.82x = 31,201,061,128.23
  5. Step 5: Solve for x
    x = 31,201,061,128.23/215,110.82
  6. Step 6: Final answer
    x = 145,046.45

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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.