Home / 100,157.24-150,240.72-82,595

Finding the Fourth Proportional to 100,157.24, 150,240.72 and 82,595

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Solution

The fourth proportional to 100,157.24, 150,240.72 and 82,595 is: 123,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,157.24 : 150,240.72 = 82,595 : x
  2. Step 2: Convert to fraction form
    100,157.24/150,240.72 = 82,595/x
  3. Step 3: Cross multiply
    100,157.24x = 150,240.72 × 82,595
  4. Step 4: Simplify right side
    100,157.24x = 12,409,132,268.40
  5. Step 5: Solve for x
    x = 12,409,132,268.40/100,157.24
  6. Step 6: Final answer
    x = 123,896.51

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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.