Home / 128,566.20-192,849.30-58,582.20

Finding the Fourth Proportional to 128,566.20, 192,849.30 and 58,582.20

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Solution

The fourth proportional to 128,566.20, 192,849.30 and 58,582.20 is: 87,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,566.20 : 192,849.30 = 58,582.20 : x
  2. Step 2: Convert to fraction form
    128,566.20/192,849.30 = 58,582.20/x
  3. Step 3: Cross multiply
    128,566.20x = 192,849.30 × 58,582.20
  4. Step 4: Simplify right side
    128,566.20x = 11,297,536,262.46
  5. Step 5: Solve for x
    x = 11,297,536,262.46/128,566.20
  6. Step 6: Final answer
    x = 87,873.30

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