Home / 254,740.41-382,087.13-86,241.51

Finding the Fourth Proportional to 254,740.41, 382,087.13 and 86,241.51

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Solution

The fourth proportional to 254,740.41, 382,087.13 and 86,241.51 is: 129,354.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,740.41 : 382,087.13 = 86,241.51 : x
  2. Step 2: Convert to fraction form
    254,740.41/382,087.13 = 86,241.51/x
  3. Step 3: Cross multiply
    254,740.41x = 382,087.13 × 86,241.51
  4. Step 4: Simplify right side
    254,740.41x = 32,951,770,611.56
  5. Step 5: Solve for x
    x = 32,951,770,611.56/254,740.41
  6. Step 6: Final answer
    x = 129,354.31

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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.