Home / 196,374.07-270,989.17-120,020.91

Finding the Fourth Proportional to 196,374.07, 270,989.17 and 120,020.91

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Solution

The fourth proportional to 196,374.07, 270,989.17 and 120,020.91 is: 165,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,374.07 : 270,989.17 = 120,020.91 : x
  2. Step 2: Convert to fraction form
    196,374.07/270,989.17 = 120,020.91/x
  3. Step 3: Cross multiply
    196,374.07x = 270,989.17 × 120,020.91
  4. Step 4: Simplify right side
    196,374.07x = 32,524,366,783.54
  5. Step 5: Solve for x
    x = 32,524,366,783.54/196,374.07
  6. Step 6: Final answer
    x = 165,624.55

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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.