Home / 103,973.64-155,974.36-36,489.66

Finding the Fourth Proportional to 103,973.64, 155,974.36 and 36,489.66

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Solution

The fourth proportional to 103,973.64, 155,974.36 and 36,489.66 is: 54,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,973.64 : 155,974.36 = 36,489.66 : x
  2. Step 2: Convert to fraction form
    103,973.64/155,974.36 = 36,489.66/x
  3. Step 3: Cross multiply
    103,973.64x = 155,974.36 × 36,489.66
  4. Step 4: Simplify right side
    103,973.64x = 5,691,450,757.41
  5. Step 5: Solve for x
    x = 5,691,450,757.41/103,973.64
  6. Step 6: Final answer
    x = 54,739.36

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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.