Home / 174,940.20-262,410.30-121,285.80

Finding the Fourth Proportional to 174,940.20, 262,410.30 and 121,285.80

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Solution

The fourth proportional to 174,940.20, 262,410.30 and 121,285.80 is: 181,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,940.20 : 262,410.30 = 121,285.80 : x
  2. Step 2: Convert to fraction form
    174,940.20/262,410.30 = 121,285.80/x
  3. Step 3: Cross multiply
    174,940.20x = 262,410.30 × 121,285.80
  4. Step 4: Simplify right side
    174,940.20x = 31,826,643,163.74
  5. Step 5: Solve for x
    x = 31,826,643,163.74/174,940.20
  6. Step 6: Final answer
    x = 181,928.70

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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.