Home / 174,979.20-262,468.80-121,324.80

Finding the Fourth Proportional to 174,979.20, 262,468.80 and 121,324.80

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Solution

The fourth proportional to 174,979.20, 262,468.80 and 121,324.80 is: 181,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,979.20 : 262,468.80 = 121,324.80 : x
  2. Step 2: Convert to fraction form
    174,979.20/262,468.80 = 121,324.80/x
  3. Step 3: Cross multiply
    174,979.20x = 262,468.80 × 121,324.80
  4. Step 4: Simplify right side
    174,979.20x = 31,843,974,666.24
  5. Step 5: Solve for x
    x = 31,843,974,666.24/174,979.20
  6. Step 6: Final answer
    x = 181,987.20

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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.