Home / 204,315.85-306,561.92-77,994.02

Finding the Fourth Proportional to 204,315.85, 306,561.92 and 77,994.02

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Solution

The fourth proportional to 204,315.85, 306,561.92 and 77,994.02 is: 117,024.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,315.85 : 306,561.92 = 77,994.02 : x
  2. Step 2: Convert to fraction form
    204,315.85/306,561.92 = 77,994.02/x
  3. Step 3: Cross multiply
    204,315.85x = 306,561.92 × 77,994.02
  4. Step 4: Simplify right side
    204,315.85x = 23,909,996,896.15
  5. Step 5: Solve for x
    x = 23,909,996,896.15/204,315.85
  6. Step 6: Final answer
    x = 117,024.68

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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.