Home / 119,947.80-179,921.70-118,198.20

Finding the Fourth Proportional to 119,947.80, 179,921.70 and 118,198.20

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Solution

The fourth proportional to 119,947.80, 179,921.70 and 118,198.20 is: 177,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,947.80 : 179,921.70 = 118,198.20 : x
  2. Step 2: Convert to fraction form
    119,947.80/179,921.70 = 118,198.20/x
  3. Step 3: Cross multiply
    119,947.80x = 179,921.70 × 118,198.20
  4. Step 4: Simplify right side
    119,947.80x = 21,266,421,080.94
  5. Step 5: Solve for x
    x = 21,266,421,080.94/119,947.80
  6. Step 6: Final answer
    x = 177,297.30

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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.