Home / 170,145.20-255,029.76-70,250.32

Finding the Fourth Proportional to 170,145.20, 255,029.76 and 70,250.32

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Solution

The fourth proportional to 170,145.20, 255,029.76 and 70,250.32 is: 105,297.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,145.20 : 255,029.76 = 70,250.32 : x
  2. Step 2: Convert to fraction form
    170,145.20/255,029.76 = 70,250.32/x
  3. Step 3: Cross multiply
    170,145.20x = 255,029.76 × 70,250.32
  4. Step 4: Simplify right side
    170,145.20x = 17,915,922,249.52
  5. Step 5: Solve for x
    x = 17,915,922,249.52/170,145.20
  6. Step 6: Final answer
    x = 105,297.84

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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.