Home / 100,333.54-150,525.36-70,809.04

Finding the Fourth Proportional to 100,333.54, 150,525.36 and 70,809.04

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Solution

The fourth proportional to 100,333.54, 150,525.36 and 70,809.04 is: 106,231.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,333.54 : 150,525.36 = 70,809.04 : x
  2. Step 2: Convert to fraction form
    100,333.54/150,525.36 = 70,809.04/x
  3. Step 3: Cross multiply
    100,333.54x = 150,525.36 × 70,809.04
  4. Step 4: Simplify right side
    100,333.54x = 10,658,555,883.21
  5. Step 5: Solve for x
    x = 10,658,555,883.21/100,333.54
  6. Step 6: Final answer
    x = 106,231.24

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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.