Home / 179,709.85-247,990.75-108,075.97

Finding the Fourth Proportional to 179,709.85, 247,990.75 and 108,075.97

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Solution

The fourth proportional to 179,709.85, 247,990.75 and 108,075.97 is: 149,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,709.85 : 247,990.75 = 108,075.97 : x
  2. Step 2: Convert to fraction form
    179,709.85/247,990.75 = 108,075.97/x
  3. Step 3: Cross multiply
    179,709.85x = 247,990.75 × 108,075.97
  4. Step 4: Simplify right side
    179,709.85x = 26,801,840,857.28
  5. Step 5: Solve for x
    x = 26,801,840,857.28/179,709.85
  6. Step 6: Final answer
    x = 149,139.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.