Home / 100,044.21-150,066.57-40,879.88

Finding the Fourth Proportional to 100,044.21, 150,066.57 and 40,879.88

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Solution

The fourth proportional to 100,044.21, 150,066.57 and 40,879.88 is: 61,319.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,044.21 : 150,066.57 = 40,879.88 : x
  2. Step 2: Convert to fraction form
    100,044.21/150,066.57 = 40,879.88/x
  3. Step 3: Cross multiply
    100,044.21x = 150,066.57 × 40,879.88
  4. Step 4: Simplify right side
    100,044.21x = 6,134,703,169.21
  5. Step 5: Solve for x
    x = 6,134,703,169.21/100,044.21
  6. Step 6: Final answer
    x = 61,319.93

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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.