Home / 107,729.04-148,799.40-76,039.41

Finding the Fourth Proportional to 107,729.04, 148,799.40 and 76,039.41

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Solution

The fourth proportional to 107,729.04, 148,799.40 and 76,039.41 is: 105,028.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,729.04 : 148,799.40 = 76,039.41 : x
  2. Step 2: Convert to fraction form
    107,729.04/148,799.40 = 76,039.41/x
  3. Step 3: Cross multiply
    107,729.04x = 148,799.40 × 76,039.41
  4. Step 4: Simplify right side
    107,729.04x = 11,314,618,584.35
  5. Step 5: Solve for x
    x = 11,314,618,584.35/107,729.04
  6. Step 6: Final answer
    x = 105,028.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.