Home / 196,998.12-271,969.38-130,124.52

Finding the Fourth Proportional to 196,998.12, 271,969.38 and 130,124.52

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Solution

The fourth proportional to 196,998.12, 271,969.38 and 130,124.52 is: 179,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,998.12 : 271,969.38 = 130,124.52 : x
  2. Step 2: Convert to fraction form
    196,998.12/271,969.38 = 130,124.52/x
  3. Step 3: Cross multiply
    196,998.12x = 271,969.38 × 130,124.52
  4. Step 4: Simplify right side
    196,998.12x = 35,389,885,027.20
  5. Step 5: Solve for x
    x = 35,389,885,027.20/196,998.12
  6. Step 6: Final answer
    x = 179,645.80

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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.