Home / 196,520.12-294,765.59-70,145.94

Finding the Fourth Proportional to 196,520.12, 294,765.59 and 70,145.94

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Solution

The fourth proportional to 196,520.12, 294,765.59 and 70,145.94 is: 105,213.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,520.12 : 294,765.59 = 70,145.94 : x
  2. Step 2: Convert to fraction form
    196,520.12/294,765.59 = 70,145.94/x
  3. Step 3: Cross multiply
    196,520.12x = 294,765.59 × 70,145.94
  4. Step 4: Simplify right side
    196,520.12x = 20,676,609,565.57
  5. Step 5: Solve for x
    x = 20,676,609,565.57/196,520.12
  6. Step 6: Final answer
    x = 105,213.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.