Home / 103,928.21-155,878.91-32,858.06

Finding the Fourth Proportional to 103,928.21, 155,878.91 and 32,858.06

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Solution

The fourth proportional to 103,928.21, 155,878.91 and 32,858.06 is: 49,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,928.21 : 155,878.91 = 32,858.06 : x
  2. Step 2: Convert to fraction form
    103,928.21/155,878.91 = 32,858.06/x
  3. Step 3: Cross multiply
    103,928.21x = 155,878.91 × 32,858.06
  4. Step 4: Simplify right side
    103,928.21x = 5,121,878,577.51
  5. Step 5: Solve for x
    x = 5,121,878,577.51/103,928.21
  6. Step 6: Final answer
    x = 49,282.85

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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.