Home / 254,167.07-381,253.32-76,675.61

Finding the Fourth Proportional to 254,167.07, 381,253.32 and 76,675.61

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Solution

The fourth proportional to 254,167.07, 381,253.32 and 76,675.61 is: 115,014.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,167.07 : 381,253.32 = 76,675.61 : x
  2. Step 2: Convert to fraction form
    254,167.07/381,253.32 = 76,675.61/x
  3. Step 3: Cross multiply
    254,167.07x = 381,253.32 × 76,675.61
  4. Step 4: Simplify right side
    254,167.07x = 29,232,831,828.66
  5. Step 5: Solve for x
    x = 29,232,831,828.66/254,167.07
  6. Step 6: Final answer
    x = 115,014.24

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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.