Home / 254,533.54-381,883.35-121,396.51

Finding the Fourth Proportional to 254,533.54, 381,883.35 and 121,396.51

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Solution

The fourth proportional to 254,533.54, 381,883.35 and 121,396.51 is: 182,134.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,533.54 : 381,883.35 = 121,396.51 : x
  2. Step 2: Convert to fraction form
    254,533.54/381,883.35 = 121,396.51/x
  3. Step 3: Cross multiply
    254,533.54x = 381,883.35 × 121,396.51
  4. Step 4: Simplify right side
    254,533.54x = 46,359,304,962.40
  5. Step 5: Solve for x
    x = 46,359,304,962.40/254,533.54
  6. Step 6: Final answer
    x = 182,134.37

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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.