Home / 100,180.80-150,215.04-68,626.50

Finding the Fourth Proportional to 100,180.80, 150,215.04 and 68,626.50

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Solution

The fourth proportional to 100,180.80, 150,215.04 and 68,626.50 is: 102,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,180.80 : 150,215.04 = 68,626.50 : x
  2. Step 2: Convert to fraction form
    100,180.80/150,215.04 = 68,626.50/x
  3. Step 3: Cross multiply
    100,180.80x = 150,215.04 × 68,626.50
  4. Step 4: Simplify right side
    100,180.80x = 10,308,732,442.56
  5. Step 5: Solve for x
    x = 10,308,732,442.56/100,180.80
  6. Step 6: Final answer
    x = 102,901.28

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1.5x scale

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.