Home / 174,975.20-262,462.80-121,320.80

Finding the Fourth Proportional to 174,975.20, 262,462.80 and 121,320.80

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Solution

The fourth proportional to 174,975.20, 262,462.80 and 121,320.80 is: 181,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,975.20 : 262,462.80 = 121,320.80 : x
  2. Step 2: Convert to fraction form
    174,975.20/262,462.80 = 121,320.80/x
  3. Step 3: Cross multiply
    174,975.20x = 262,462.80 × 121,320.80
  4. Step 4: Simplify right side
    174,975.20x = 31,842,196,866.24
  5. Step 5: Solve for x
    x = 31,842,196,866.24/174,975.20
  6. Step 6: Final answer
    x = 181,981.20

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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.