Home / 181,628.09-272,452.37-55,272.45

Finding the Fourth Proportional to 181,628.09, 272,452.37 and 55,272.45

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Solution

The fourth proportional to 181,628.09, 272,452.37 and 55,272.45 is: 82,911.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,628.09 : 272,452.37 = 55,272.45 : x
  2. Step 2: Convert to fraction form
    181,628.09/272,452.37 = 55,272.45/x
  3. Step 3: Cross multiply
    181,628.09x = 272,452.37 × 55,272.45
  4. Step 4: Simplify right side
    181,628.09x = 15,059,109,998.21
  5. Step 5: Solve for x
    x = 15,059,109,998.21/181,628.09
  6. Step 6: Final answer
    x = 82,911.79

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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.