Home / 109,505.04-164,257.83-30,619.14

Finding the Fourth Proportional to 109,505.04, 164,257.83 and 30,619.14

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Solution

The fourth proportional to 109,505.04, 164,257.83 and 30,619.14 is: 45,928.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,505.04 : 164,257.83 = 30,619.14 : x
  2. Step 2: Convert to fraction form
    109,505.04/164,257.83 = 30,619.14/x
  3. Step 3: Cross multiply
    109,505.04x = 164,257.83 × 30,619.14
  4. Step 4: Simplify right side
    109,505.04x = 5,029,433,492.87
  5. Step 5: Solve for x
    x = 5,029,433,492.87/109,505.04
  6. Step 6: Final answer
    x = 45,928.79

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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.