Home / 181,729.94-250,785.45-100,055.61

Finding the Fourth Proportional to 181,729.94, 250,785.45 and 100,055.61

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Solution

The fourth proportional to 181,729.94, 250,785.45 and 100,055.61 is: 138,075.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,729.94 : 250,785.45 = 100,055.61 : x
  2. Step 2: Convert to fraction form
    181,729.94/250,785.45 = 100,055.61/x
  3. Step 3: Cross multiply
    181,729.94x = 250,785.45 × 100,055.61
  4. Step 4: Simplify right side
    181,729.94x = 25,092,491,178.87
  5. Step 5: Solve for x
    x = 25,092,491,178.87/181,729.94
  6. Step 6: Final answer
    x = 138,075.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.