Home / 100,045.02-150,067.77-40,880.69

Finding the Fourth Proportional to 100,045.02, 150,067.77 and 40,880.69

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Solution

The fourth proportional to 100,045.02, 150,067.77 and 40,880.69 is: 61,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,045.02 : 150,067.77 = 40,880.69 : x
  2. Step 2: Convert to fraction form
    100,045.02/150,067.77 = 40,880.69/x
  3. Step 3: Cross multiply
    100,045.02x = 150,067.77 × 40,880.69
  4. Step 4: Simplify right side
    100,045.02x = 6,134,873,234.02
  5. Step 5: Solve for x
    x = 6,134,873,234.02/100,045.02
  6. Step 6: Final answer
    x = 61,321.13

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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.