Home / 100,134.63-150,226.52-30,013.88

Finding the Fourth Proportional to 100,134.63, 150,226.52 and 30,013.88

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Solution

The fourth proportional to 100,134.63, 150,226.52 and 30,013.88 is: 45,028.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,134.63 : 150,226.52 = 30,013.88 : x
  2. Step 2: Convert to fraction form
    100,134.63/150,226.52 = 30,013.88/x
  3. Step 3: Cross multiply
    100,134.63x = 150,226.52 × 30,013.88
  4. Step 4: Simplify right side
    100,134.63x = 4,508,879,842.90
  5. Step 5: Solve for x
    x = 4,508,879,842.90/100,134.63
  6. Step 6: Final answer
    x = 45,028.18

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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.