Home / 179,970.60-269,955.90-80,130.60

Finding the Fourth Proportional to 179,970.60, 269,955.90 and 80,130.60

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Solution

The fourth proportional to 179,970.60, 269,955.90 and 80,130.60 is: 120,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,970.60 : 269,955.90 = 80,130.60 : x
  2. Step 2: Convert to fraction form
    179,970.60/269,955.90 = 80,130.60/x
  3. Step 3: Cross multiply
    179,970.60x = 269,955.90 × 80,130.60
  4. Step 4: Simplify right side
    179,970.60x = 21,631,728,240.54
  5. Step 5: Solve for x
    x = 21,631,728,240.54/179,970.60
  6. Step 6: Final answer
    x = 120,195.90

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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.