Home / 170,511.82-255,600.63-145,268.37

Finding the Fourth Proportional to 170,511.82, 255,600.63 and 145,268.37

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Solution

The fourth proportional to 170,511.82, 255,600.63 and 145,268.37 is: 217,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,511.82 : 255,600.63 = 145,268.37 : x
  2. Step 2: Convert to fraction form
    170,511.82/255,600.63 = 145,268.37/x
  3. Step 3: Cross multiply
    170,511.82x = 255,600.63 × 145,268.37
  4. Step 4: Simplify right side
    170,511.82x = 37,130,686,891.07
  5. Step 5: Solve for x
    x = 37,130,686,891.07/170,511.82
  6. Step 6: Final answer
    x = 217,760.20

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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.