Home / 170,849.06-256,127.73-120,771.62

Finding the Fourth Proportional to 170,849.06, 256,127.73 and 120,771.62

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Solution

The fourth proportional to 170,849.06, 256,127.73 and 120,771.62 is: 181,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,849.06 : 256,127.73 = 120,771.62 : x
  2. Step 2: Convert to fraction form
    170,849.06/256,127.73 = 120,771.62/x
  3. Step 3: Cross multiply
    170,849.06x = 256,127.73 × 120,771.62
  4. Step 4: Simplify right side
    170,849.06x = 30,932,960,879.02
  5. Step 5: Solve for x
    x = 30,932,960,879.02/170,849.06
  6. Step 6: Final answer
    x = 181,054.32

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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.