Home / 100,232.10-150,348.15-30,102.30

Finding the Fourth Proportional to 100,232.10, 150,348.15 and 30,102.30

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Solution

The fourth proportional to 100,232.10, 150,348.15 and 30,102.30 is: 45,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,232.10 : 150,348.15 = 30,102.30 : x
  2. Step 2: Convert to fraction form
    100,232.10/150,348.15 = 30,102.30/x
  3. Step 3: Cross multiply
    100,232.10x = 150,348.15 × 30,102.30
  4. Step 4: Simplify right side
    100,232.10x = 4,525,825,115.75
  5. Step 5: Solve for x
    x = 4,525,825,115.75/100,232.10
  6. Step 6: Final answer
    x = 45,153.45

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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.