Home / 210,286.46-290,185.20-119,633.90

Finding the Fourth Proportional to 210,286.46, 290,185.20 and 119,633.90

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Solution

The fourth proportional to 210,286.46, 290,185.20 and 119,633.90 is: 165,089.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,286.46 : 290,185.20 = 119,633.90 : x
  2. Step 2: Convert to fraction form
    210,286.46/290,185.20 = 119,633.90/x
  3. Step 3: Cross multiply
    210,286.46x = 290,185.20 × 119,633.90
  4. Step 4: Simplify right side
    210,286.46x = 34,715,985,747.35
  5. Step 5: Solve for x
    x = 34,715,985,747.35/210,286.46
  6. Step 6: Final answer
    x = 165,089.02

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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.