Home / 210,823.67-290,952.45-120,181.79

Finding the Fourth Proportional to 210,823.67, 290,952.45 and 120,181.79

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Solution

The fourth proportional to 210,823.67, 290,952.45 and 120,181.79 is: 165,859.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,823.67 : 290,952.45 = 120,181.79 : x
  2. Step 2: Convert to fraction form
    210,823.67/290,952.45 = 120,181.79/x
  3. Step 3: Cross multiply
    210,823.67x = 290,952.45 × 120,181.79
  4. Step 4: Simplify right side
    210,823.67x = 34,967,186,245.89
  5. Step 5: Solve for x
    x = 34,967,186,245.89/210,823.67
  6. Step 6: Final answer
    x = 165,859.87

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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.