Home / 100,933.16-151,394.27-30,807

Finding the Fourth Proportional to 100,933.16, 151,394.27 and 30,807

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Solution

The fourth proportional to 100,933.16, 151,394.27 and 30,807 is: 46,208.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,933.16 : 151,394.27 = 30,807 : x
  2. Step 2: Convert to fraction form
    100,933.16/151,394.27 = 30,807/x
  3. Step 3: Cross multiply
    100,933.16x = 151,394.27 × 30,807
  4. Step 4: Simplify right side
    100,933.16x = 4,664,003,121.86
  5. Step 5: Solve for x
    x = 4,664,003,121.86/100,933.16
  6. Step 6: Final answer
    x = 46,208.83

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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.