Home / 174,983.20-262,474.80-121,328.80

Finding the Fourth Proportional to 174,983.20, 262,474.80 and 121,328.80

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Solution

The fourth proportional to 174,983.20, 262,474.80 and 121,328.80 is: 181,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,983.20 : 262,474.80 = 121,328.80 : x
  2. Step 2: Convert to fraction form
    174,983.20/262,474.80 = 121,328.80/x
  3. Step 3: Cross multiply
    174,983.20x = 262,474.80 × 121,328.80
  4. Step 4: Simplify right side
    174,983.20x = 31,845,752,514.24
  5. Step 5: Solve for x
    x = 31,845,752,514.24/174,983.20
  6. Step 6: Final answer
    x = 181,993.20

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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.