Home / 170,323.20-255,514.82-70,427.42

Finding the Fourth Proportional to 170,323.20, 255,514.82 and 70,427.42

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Solution

The fourth proportional to 170,323.20, 255,514.82 and 70,427.42 is: 105,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,323.20 : 255,514.82 = 70,427.42 : x
  2. Step 2: Convert to fraction form
    170,323.20/255,514.82 = 70,427.42/x
  3. Step 3: Cross multiply
    170,323.20x = 255,514.82 × 70,427.42
  4. Step 4: Simplify right side
    170,323.20x = 17,995,247,914.65
  5. Step 5: Solve for x
    x = 17,995,247,914.65/170,323.20
  6. Step 6: Final answer
    x = 105,653.53

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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.