Home / 115,484.37-159,478.48-109,194.69

Finding the Fourth Proportional to 115,484.37, 159,478.48 and 109,194.69

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Solution

The fourth proportional to 115,484.37, 159,478.48 and 109,194.69 is: 150,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,484.37 : 159,478.48 = 109,194.69 : x
  2. Step 2: Convert to fraction form
    115,484.37/159,478.48 = 109,194.69/x
  3. Step 3: Cross multiply
    115,484.37x = 159,478.48 × 109,194.69
  4. Step 4: Simplify right side
    115,484.37x = 17,414,203,185.27
  5. Step 5: Solve for x
    x = 17,414,203,185.27/115,484.37
  6. Step 6: Final answer
    x = 150,792.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.