Home / 100,863.03-151,317.23-30,749.43

Finding the Fourth Proportional to 100,863.03, 151,317.23 and 30,749.43

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Solution

The fourth proportional to 100,863.03, 151,317.23 and 30,749.43 is: 46,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,863.03 : 151,317.23 = 30,749.43 : x
  2. Step 2: Convert to fraction form
    100,863.03/151,317.23 = 30,749.43/x
  3. Step 3: Cross multiply
    100,863.03x = 151,317.23 × 30,749.43
  4. Step 4: Simplify right side
    100,863.03x = 4,652,918,417.93
  5. Step 5: Solve for x
    x = 4,652,918,417.93/100,863.03
  6. Step 6: Final answer
    x = 46,131.06

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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.