Home / 254,512.73-381,706.09-86,029.36

Finding the Fourth Proportional to 254,512.73, 381,706.09 and 86,029.36

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Solution

The fourth proportional to 254,512.73, 381,706.09 and 86,029.36 is: 129,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,512.73 : 381,706.09 = 86,029.36 : x
  2. Step 2: Convert to fraction form
    254,512.73/381,706.09 = 86,029.36/x
  3. Step 3: Cross multiply
    254,512.73x = 381,706.09 × 86,029.36
  4. Step 4: Simplify right side
    254,512.73x = 32,837,929,461.46
  5. Step 5: Solve for x
    x = 32,837,929,461.46/254,512.73
  6. Step 6: Final answer
    x = 129,022.74

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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.