Home / 254,512.49-381,705.66-86,029.07

Finding the Fourth Proportional to 254,512.49, 381,705.66 and 86,029.07

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Solution

The fourth proportional to 254,512.49, 381,705.66 and 86,029.07 is: 129,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,512.49 : 381,705.66 = 86,029.07 : x
  2. Step 2: Convert to fraction form
    254,512.49/381,705.66 = 86,029.07/x
  3. Step 3: Cross multiply
    254,512.49x = 381,705.66 × 86,029.07
  4. Step 4: Simplify right side
    254,512.49x = 32,837,781,035.01
  5. Step 5: Solve for x
    x = 32,837,781,035.01/254,512.49
  6. Step 6: Final answer
    x = 129,022.28

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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.