Home / 195,760.36-270,103.02-115,191.40

Finding the Fourth Proportional to 195,760.36, 270,103.02 and 115,191.40

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Solution

The fourth proportional to 195,760.36, 270,103.02 and 115,191.40 is: 158,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,760.36 : 270,103.02 = 115,191.40 : x
  2. Step 2: Convert to fraction form
    195,760.36/270,103.02 = 115,191.40/x
  3. Step 3: Cross multiply
    195,760.36x = 270,103.02 × 115,191.40
  4. Step 4: Simplify right side
    195,760.36x = 31,113,545,018.03
  5. Step 5: Solve for x
    x = 31,113,545,018.03/195,760.36
  6. Step 6: Final answer
    x = 158,936.90

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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.