Home / 145,749.26-201,128.73-82,092.98

Finding the Fourth Proportional to 145,749.26, 201,128.73 and 82,092.98

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Solution

The fourth proportional to 145,749.26, 201,128.73 and 82,092.98 is: 113,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,749.26 : 201,128.73 = 82,092.98 : x
  2. Step 2: Convert to fraction form
    145,749.26/201,128.73 = 82,092.98/x
  3. Step 3: Cross multiply
    145,749.26x = 201,128.73 × 82,092.98
  4. Step 4: Simplify right side
    145,749.26x = 16,511,256,809.32
  5. Step 5: Solve for x
    x = 16,511,256,809.32/145,749.26
  6. Step 6: Final answer
    x = 113,285.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.