Home / 100,700.25-151,072.38-38,370.75

Finding the Fourth Proportional to 100,700.25, 151,072.38 and 38,370.75

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Solution

The fourth proportional to 100,700.25, 151,072.38 and 38,370.75 is: 57,564.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,700.25 : 151,072.38 = 38,370.75 : x
  2. Step 2: Convert to fraction form
    100,700.25/151,072.38 = 38,370.75/x
  3. Step 3: Cross multiply
    100,700.25x = 151,072.38 × 38,370.75
  4. Step 4: Simplify right side
    100,700.25x = 5,796,760,524.89
  5. Step 5: Solve for x
    x = 5,796,760,524.89/100,700.25
  6. Step 6: Final answer
    x = 57,564.51

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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.