Home / 195,695.09-270,054.66-115,127.81

Finding the Fourth Proportional to 195,695.09, 270,054.66 and 115,127.81

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Solution

The fourth proportional to 195,695.09, 270,054.66 and 115,127.81 is: 158,873.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,695.09 : 270,054.66 = 115,127.81 : x
  2. Step 2: Convert to fraction form
    195,695.09/270,054.66 = 115,127.81/x
  3. Step 3: Cross multiply
    195,695.09x = 270,054.66 × 115,127.81
  4. Step 4: Simplify right side
    195,695.09x = 31,090,800,235.82
  5. Step 5: Solve for x
    x = 31,090,800,235.82/195,695.09
  6. Step 6: Final answer
    x = 158,873.69

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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.