Home / 103,344.29-154,956.09-40,090.49

Finding the Fourth Proportional to 103,344.29, 154,956.09 and 40,090.49

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Solution

The fourth proportional to 103,344.29, 154,956.09 and 40,090.49 is: 60,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,344.29 : 154,956.09 = 40,090.49 : x
  2. Step 2: Convert to fraction form
    103,344.29/154,956.09 = 40,090.49/x
  3. Step 3: Cross multiply
    103,344.29x = 154,956.09 × 40,090.49
  4. Step 4: Simplify right side
    103,344.29x = 6,212,265,576.58
  5. Step 5: Solve for x
    x = 6,212,265,576.58/103,344.29
  6. Step 6: Final answer
    x = 60,112.33

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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.