Home / 102,912.04-154,328.70-36,339.72

Finding the Fourth Proportional to 102,912.04, 154,328.70 and 36,339.72

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Solution

The fourth proportional to 102,912.04, 154,328.70 and 36,339.72 is: 54,495.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,912.04 : 154,328.70 = 36,339.72 : x
  2. Step 2: Convert to fraction form
    102,912.04/154,328.70 = 36,339.72/x
  3. Step 3: Cross multiply
    102,912.04x = 154,328.70 × 36,339.72
  4. Step 4: Simplify right side
    102,912.04x = 5,608,261,745.96
  5. Step 5: Solve for x
    x = 5,608,261,745.96/102,912.04
  6. Step 6: Final answer
    x = 54,495.68

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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.