Home / 179,975.40-269,444.70-109,991.40

Finding the Fourth Proportional to 179,975.40, 269,444.70 and 109,991.40

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Solution

The fourth proportional to 179,975.40, 269,444.70 and 109,991.40 is: 164,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,975.40 : 269,444.70 = 109,991.40 : x
  2. Step 2: Convert to fraction form
    179,975.40/269,444.70 = 109,991.40/x
  3. Step 3: Cross multiply
    179,975.40x = 269,444.70 × 109,991.40
  4. Step 4: Simplify right side
    179,975.40x = 29,636,599,775.58
  5. Step 5: Solve for x
    x = 29,636,599,775.58/179,975.40
  6. Step 6: Final answer
    x = 164,670.28

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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.