Home / 100,300.37-150,450.23-25,420.26

Finding the Fourth Proportional to 100,300.37, 150,450.23 and 25,420.26

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Solution

The fourth proportional to 100,300.37, 150,450.23 and 25,420.26 is: 38,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,300.37 : 150,450.23 = 25,420.26 : x
  2. Step 2: Convert to fraction form
    100,300.37/150,450.23 = 25,420.26/x
  3. Step 3: Cross multiply
    100,300.37x = 150,450.23 × 25,420.26
  4. Step 4: Simplify right side
    100,300.37x = 3,824,483,836.56
  5. Step 5: Solve for x
    x = 3,824,483,836.56/100,300.37
  6. Step 6: Final answer
    x = 38,130.31

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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.