Home / 254,167.09-381,253.37-76,675.64

Finding the Fourth Proportional to 254,167.09, 381,253.37 and 76,675.64

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Solution

The fourth proportional to 254,167.09, 381,253.37 and 76,675.64 is: 115,014.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,167.09 : 381,253.37 = 76,675.64 : x
  2. Step 2: Convert to fraction form
    254,167.09/381,253.37 = 76,675.64/x
  3. Step 3: Cross multiply
    254,167.09x = 381,253.37 × 76,675.64
  4. Step 4: Simplify right side
    254,167.09x = 29,232,843,857.26
  5. Step 5: Solve for x
    x = 29,232,843,857.26/254,167.09
  6. Step 6: Final answer
    x = 115,014.28

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1.5x scale

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.