Home / 101,117.33-151,654.44-30,020.69

Finding the Fourth Proportional to 101,117.33, 151,654.44 and 30,020.69

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Solution

The fourth proportional to 101,117.33, 151,654.44 and 30,020.69 is: 45,024.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,117.33 : 151,654.44 = 30,020.69 : x
  2. Step 2: Convert to fraction form
    101,117.33/151,654.44 = 30,020.69/x
  3. Step 3: Cross multiply
    101,117.33x = 151,654.44 × 30,020.69
  4. Step 4: Simplify right side
    101,117.33x = 4,552,770,930.36
  5. Step 5: Solve for x
    x = 4,552,770,930.36/101,117.33
  6. Step 6: Final answer
    x = 45,024.64

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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.