Home / 179,810.87-269,836.70-74,629.94

Finding the Fourth Proportional to 179,810.87, 269,836.70 and 74,629.94

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Solution

The fourth proportional to 179,810.87, 269,836.70 and 74,629.94 is: 111,994.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,810.87 : 269,836.70 = 74,629.94 : x
  2. Step 2: Convert to fraction form
    179,810.87/269,836.70 = 74,629.94/x
  3. Step 3: Cross multiply
    179,810.87x = 269,836.70 × 74,629.94
  4. Step 4: Simplify right side
    179,810.87x = 20,137,897,032.24
  5. Step 5: Solve for x
    x = 20,137,897,032.24/179,810.87
  6. Step 6: Final answer
    x = 111,994.88

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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.