Home / 174,943.20-262,414.80-121,288.80

Finding the Fourth Proportional to 174,943.20, 262,414.80 and 121,288.80

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Solution

The fourth proportional to 174,943.20, 262,414.80 and 121,288.80 is: 181,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,943.20 : 262,414.80 = 121,288.80 : x
  2. Step 2: Convert to fraction form
    174,943.20/262,414.80 = 121,288.80/x
  3. Step 3: Cross multiply
    174,943.20x = 262,414.80 × 121,288.80
  4. Step 4: Simplify right side
    174,943.20x = 31,827,976,194.24
  5. Step 5: Solve for x
    x = 31,827,976,194.24/174,943.20
  6. Step 6: Final answer
    x = 181,933.20

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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.