Home / 109,949.44-165,151.32-105,157.84

Finding the Fourth Proportional to 109,949.44, 165,151.32 and 105,157.84

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Solution

The fourth proportional to 109,949.44, 165,151.32 and 105,157.84 is: 157,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,949.44 : 165,151.32 = 105,157.84 : x
  2. Step 2: Convert to fraction form
    109,949.44/165,151.32 = 105,157.84/x
  3. Step 3: Cross multiply
    109,949.44x = 165,151.32 × 105,157.84
  4. Step 4: Simplify right side
    109,949.44x = 17,366,956,084.35
  5. Step 5: Solve for x
    x = 17,366,956,084.35/109,949.44
  6. Step 6: Final answer
    x = 157,954.02

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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.