Home / 195,711.80-270,077.70-115,144.51

Finding the Fourth Proportional to 195,711.80, 270,077.70 and 115,144.51

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Solution

The fourth proportional to 195,711.80, 270,077.70 and 115,144.51 is: 158,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,711.80 : 270,077.70 = 115,144.51 : x
  2. Step 2: Convert to fraction form
    195,711.80/270,077.70 = 115,144.51/x
  3. Step 3: Cross multiply
    195,711.80x = 270,077.70 × 115,144.51
  4. Step 4: Simplify right side
    195,711.80x = 31,097,964,428.43
  5. Step 5: Solve for x
    x = 31,097,964,428.43/195,711.80
  6. Step 6: Final answer
    x = 158,896.73

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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.