Home / 100,823.92-151,235.88-30,703.24

Finding the Fourth Proportional to 100,823.92, 151,235.88 and 30,703.24

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Solution

The fourth proportional to 100,823.92, 151,235.88 and 30,703.24 is: 46,054.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,823.92 : 151,235.88 = 30,703.24 : x
  2. Step 2: Convert to fraction form
    100,823.92/151,235.88 = 30,703.24/x
  3. Step 3: Cross multiply
    100,823.92x = 151,235.88 × 30,703.24
  4. Step 4: Simplify right side
    100,823.92x = 4,643,431,520.25
  5. Step 5: Solve for x
    x = 4,643,431,520.25/100,823.92
  6. Step 6: Final answer
    x = 46,054.86

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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.