Home / 148,945.03-205,538.92-85,270.52

Finding the Fourth Proportional to 148,945.03, 205,538.92 and 85,270.52

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Solution

The fourth proportional to 148,945.03, 205,538.92 and 85,270.52 is: 117,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,945.03 : 205,538.92 = 85,270.52 : x
  2. Step 2: Convert to fraction form
    148,945.03/205,538.92 = 85,270.52/x
  3. Step 3: Cross multiply
    148,945.03x = 205,538.92 × 85,270.52
  4. Step 4: Simplify right side
    148,945.03x = 17,526,410,889.31
  5. Step 5: Solve for x
    x = 17,526,410,889.31/148,945.03
  6. Step 6: Final answer
    x = 117,670.33

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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.