Home / 170,593.75-255,879.86-66,621.37

Finding the Fourth Proportional to 170,593.75, 255,879.86 and 66,621.37

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Solution

The fourth proportional to 170,593.75, 255,879.86 and 66,621.37 is: 99,927.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,593.75 : 255,879.86 = 66,621.37 : x
  2. Step 2: Convert to fraction form
    170,593.75/255,879.86 = 66,621.37/x
  3. Step 3: Cross multiply
    170,593.75x = 255,879.86 × 66,621.37
  4. Step 4: Simplify right side
    170,593.75x = 17,047,066,828.61
  5. Step 5: Solve for x
    x = 17,047,066,828.61/170,593.75
  6. Step 6: Final answer
    x = 99,927.85

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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.