Home / 100,689.85-150,940.46-34,083.35

Finding the Fourth Proportional to 100,689.85, 150,940.46 and 34,083.35

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Solution

The fourth proportional to 100,689.85, 150,940.46 and 34,083.35 is: 51,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,689.85 : 150,940.46 = 34,083.35 : x
  2. Step 2: Convert to fraction form
    100,689.85/150,940.46 = 34,083.35/x
  3. Step 3: Cross multiply
    100,689.85x = 150,940.46 × 34,083.35
  4. Step 4: Simplify right side
    100,689.85x = 5,144,556,423.87
  5. Step 5: Solve for x
    x = 5,144,556,423.87/100,689.85
  6. Step 6: Final answer
    x = 51,093.10

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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.