Home / 170,216.94-255,551.58-145,416.36

Finding the Fourth Proportional to 170,216.94, 255,551.58 and 145,416.36

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Solution

The fourth proportional to 170,216.94, 255,551.58 and 145,416.36 is: 218,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,216.94 : 255,551.58 = 145,416.36 : x
  2. Step 2: Convert to fraction form
    170,216.94/255,551.58 = 145,416.36/x
  3. Step 3: Cross multiply
    170,216.94x = 255,551.58 × 145,416.36
  4. Step 4: Simplify right side
    170,216.94x = 37,161,380,555.85
  5. Step 5: Solve for x
    x = 37,161,380,555.85/170,216.94
  6. Step 6: Final answer
    x = 218,317.76

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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.