Home / 174,650.20-261,975.30-81,338.20

Finding the Fourth Proportional to 174,650.20, 261,975.30 and 81,338.20

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Solution

The fourth proportional to 174,650.20, 261,975.30 and 81,338.20 is: 122,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,650.20 : 261,975.30 = 81,338.20 : x
  2. Step 2: Convert to fraction form
    174,650.20/261,975.30 = 81,338.20/x
  3. Step 3: Cross multiply
    174,650.20x = 261,975.30 × 81,338.20
  4. Step 4: Simplify right side
    174,650.20x = 21,308,599,346.46
  5. Step 5: Solve for x
    x = 21,308,599,346.46/174,650.20
  6. Step 6: Final answer
    x = 122,007.30

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1.5x scale

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.