Home / 181,960.58-251,120.04-100,303.36

Finding the Fourth Proportional to 181,960.58, 251,120.04 and 100,303.36

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Solution

The fourth proportional to 181,960.58, 251,120.04 and 100,303.36 is: 138,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,960.58 : 251,120.04 = 100,303.36 : x
  2. Step 2: Convert to fraction form
    181,960.58/251,120.04 = 100,303.36/x
  3. Step 3: Cross multiply
    181,960.58x = 251,120.04 × 100,303.36
  4. Step 4: Simplify right side
    181,960.58x = 25,188,183,775.33
  5. Step 5: Solve for x
    x = 25,188,183,775.33/181,960.58
  6. Step 6: Final answer
    x = 138,426.60

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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.