Home / 179,709.10-247,989.72-108,075.22

Finding the Fourth Proportional to 179,709.10, 247,989.72 and 108,075.22

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Solution

The fourth proportional to 179,709.10, 247,989.72 and 108,075.22 is: 149,138.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,709.10 : 247,989.72 = 108,075.22 : x
  2. Step 2: Convert to fraction form
    179,709.10/247,989.72 = 108,075.22/x
  3. Step 3: Cross multiply
    179,709.10x = 247,989.72 × 108,075.22
  4. Step 4: Simplify right side
    179,709.10x = 26,801,543,546.74
  5. Step 5: Solve for x
    x = 26,801,543,546.74/179,709.10
  6. Step 6: Final answer
    x = 149,138.49

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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.