Home / 248,064.59-372,167.55-121,742.79

Finding the Fourth Proportional to 248,064.59, 372,167.55 and 121,742.79

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Solution

The fourth proportional to 248,064.59, 372,167.55 and 121,742.79 is: 182,648.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,064.59 : 372,167.55 = 121,742.79 : x
  2. Step 2: Convert to fraction form
    248,064.59/372,167.55 = 121,742.79/x
  3. Step 3: Cross multiply
    248,064.59x = 372,167.55 × 121,742.79
  4. Step 4: Simplify right side
    248,064.59x = 45,308,715,884.46
  5. Step 5: Solve for x
    x = 45,308,715,884.46/248,064.59
  6. Step 6: Final answer
    x = 182,648.86

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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.