Home / 254,103.24-381,145.08-121,075.32

Finding the Fourth Proportional to 254,103.24, 381,145.08 and 121,075.32

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Solution

The fourth proportional to 254,103.24, 381,145.08 and 121,075.32 is: 181,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,103.24 : 381,145.08 = 121,075.32 : x
  2. Step 2: Convert to fraction form
    254,103.24/381,145.08 = 121,075.32/x
  3. Step 3: Cross multiply
    254,103.24x = 381,145.08 × 121,075.32
  4. Step 4: Simplify right side
    254,103.24x = 46,147,262,527.43
  5. Step 5: Solve for x
    x = 46,147,262,527.43/254,103.24
  6. Step 6: Final answer
    x = 181,608.32

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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.