Home / 100,220.32-150,325.20-33,661.81

Finding the Fourth Proportional to 100,220.32, 150,325.20 and 33,661.81

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Solution

The fourth proportional to 100,220.32, 150,325.20 and 33,661.81 is: 50,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,220.32 : 150,325.20 = 33,661.81 : x
  2. Step 2: Convert to fraction form
    100,220.32/150,325.20 = 33,661.81/x
  3. Step 3: Cross multiply
    100,220.32x = 150,325.20 × 33,661.81
  4. Step 4: Simplify right side
    100,220.32x = 5,060,218,320.61
  5. Step 5: Solve for x
    x = 5,060,218,320.61/100,220.32
  6. Step 6: Final answer
    x = 50,490.94

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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.