Home / 181,205.37-250,063.61-100,633.05

Finding the Fourth Proportional to 181,205.37, 250,063.61 and 100,633.05

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Solution

The fourth proportional to 181,205.37, 250,063.61 and 100,633.05 is: 138,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,205.37 : 250,063.61 = 100,633.05 : x
  2. Step 2: Convert to fraction form
    181,205.37/250,063.61 = 100,633.05/x
  3. Step 3: Cross multiply
    181,205.37x = 250,063.61 × 100,633.05
  4. Step 4: Simplify right side
    181,205.37x = 25,164,663,265.15
  5. Step 5: Solve for x
    x = 25,164,663,265.15/181,205.37
  6. Step 6: Final answer
    x = 138,873.72

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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.