Home / 121,504.05-182,201.40-54,909.90

Finding the Fourth Proportional to 121,504.05, 182,201.40 and 54,909.90

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Solution

The fourth proportional to 121,504.05, 182,201.40 and 54,909.90 is: 82,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,504.05 : 182,201.40 = 54,909.90 : x
  2. Step 2: Convert to fraction form
    121,504.05/182,201.40 = 54,909.90/x
  3. Step 3: Cross multiply
    121,504.05x = 182,201.40 × 54,909.90
  4. Step 4: Simplify right side
    121,504.05x = 10,004,660,653.86
  5. Step 5: Solve for x
    x = 10,004,660,653.86/121,504.05
  6. Step 6: Final answer
    x = 82,340.14

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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.