Home / 102,812.58-154,231.20-36,238.95

Finding the Fourth Proportional to 102,812.58, 154,231.20 and 36,238.95

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Solution

The fourth proportional to 102,812.58, 154,231.20 and 36,238.95 is: 54,362.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,812.58 : 154,231.20 = 36,238.95 : x
  2. Step 2: Convert to fraction form
    102,812.58/154,231.20 = 36,238.95/x
  3. Step 3: Cross multiply
    102,812.58x = 154,231.20 × 36,238.95
  4. Step 4: Simplify right side
    102,812.58x = 5,589,176,745.24
  5. Step 5: Solve for x
    x = 5,589,176,745.24/102,812.58
  6. Step 6: Final answer
    x = 54,362.77

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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.