Home / 100,213.86-150,276.69-30,076.77

Finding the Fourth Proportional to 100,213.86, 150,276.69 and 30,076.77

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Solution

The fourth proportional to 100,213.86, 150,276.69 and 30,076.77 is: 45,101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,213.86 : 150,276.69 = 30,076.77 : x
  2. Step 2: Convert to fraction form
    100,213.86/150,276.69 = 30,076.77/x
  3. Step 3: Cross multiply
    100,213.86x = 150,276.69 × 30,076.77
  4. Step 4: Simplify right side
    100,213.86x = 4,519,837,441.49
  5. Step 5: Solve for x
    x = 4,519,837,441.49/100,213.86
  6. Step 6: Final answer
    x = 45,101.92

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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.