Home / 196,408.28-271,036.58-120,055.65

Finding the Fourth Proportional to 196,408.28, 271,036.58 and 120,055.65

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Solution

The fourth proportional to 196,408.28, 271,036.58 and 120,055.65 is: 165,672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,408.28 : 271,036.58 = 120,055.65 : x
  2. Step 2: Convert to fraction form
    196,408.28/271,036.58 = 120,055.65/x
  3. Step 3: Cross multiply
    196,408.28x = 271,036.58 × 120,055.65
  4. Step 4: Simplify right side
    196,408.28x = 32,539,472,185.40
  5. Step 5: Solve for x
    x = 32,539,472,185.40/196,408.28
  6. Step 6: Final answer
    x = 165,672.61

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1.5x scale

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.