Home / 181,986.28-273,275.74-112,308.52

Finding the Fourth Proportional to 181,986.28, 273,275.74 and 112,308.52

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Solution

The fourth proportional to 181,986.28, 273,275.74 and 112,308.52 is: 168,645.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,986.28 : 273,275.74 = 112,308.52 : x
  2. Step 2: Convert to fraction form
    181,986.28/273,275.74 = 112,308.52/x
  3. Step 3: Cross multiply
    181,986.28x = 273,275.74 × 112,308.52
  4. Step 4: Simplify right side
    181,986.28x = 30,691,193,911.30
  5. Step 5: Solve for x
    x = 30,691,193,911.30/181,986.28
  6. Step 6: Final answer
    x = 168,645.65

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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.