Home / 195,975.50-270,438.36-115,406.42

Finding the Fourth Proportional to 195,975.50, 270,438.36 and 115,406.42

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Solution

The fourth proportional to 195,975.50, 270,438.36 and 115,406.42 is: 159,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,975.50 : 270,438.36 = 115,406.42 : x
  2. Step 2: Convert to fraction form
    195,975.50/270,438.36 = 115,406.42/x
  3. Step 3: Cross multiply
    195,975.50x = 270,438.36 × 115,406.42
  4. Step 4: Simplify right side
    195,975.50x = 31,210,322,958.27
  5. Step 5: Solve for x
    x = 31,210,322,958.27/195,975.50
  6. Step 6: Final answer
    x = 159,256.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.