Home / 181,721.73-250,775.97-101,147.52

Finding the Fourth Proportional to 181,721.73, 250,775.97 and 101,147.52

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Solution

The fourth proportional to 181,721.73, 250,775.97 and 101,147.52 is: 139,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,721.73 : 250,775.97 = 101,147.52 : x
  2. Step 2: Convert to fraction form
    181,721.73/250,775.97 = 101,147.52/x
  3. Step 3: Cross multiply
    181,721.73x = 250,775.97 × 101,147.52
  4. Step 4: Simplify right side
    181,721.73x = 25,365,367,441.09
  5. Step 5: Solve for x
    x = 25,365,367,441.09/181,721.73
  6. Step 6: Final answer
    x = 139,583.57

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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.