Home / 170,976.80-256,004.40-123,975.20

Finding the Fourth Proportional to 170,976.80, 256,004.40 and 123,975.20

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Solution

The fourth proportional to 170,976.80, 256,004.40 and 123,975.20 is: 185,628.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,976.80 : 256,004.40 = 123,975.20 : x
  2. Step 2: Convert to fraction form
    170,976.80/256,004.40 = 123,975.20/x
  3. Step 3: Cross multiply
    170,976.80x = 256,004.40 × 123,975.20
  4. Step 4: Simplify right side
    170,976.80x = 31,738,196,690.88
  5. Step 5: Solve for x
    x = 31,738,196,690.88/170,976.80
  6. Step 6: Final answer
    x = 185,628.67

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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.