Home / 121,087.73-181,638.42-36,850.64

Finding the Fourth Proportional to 121,087.73, 181,638.42 and 36,850.64

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Solution

The fourth proportional to 121,087.73, 181,638.42 and 36,850.64 is: 55,278.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,087.73 : 181,638.42 = 36,850.64 : x
  2. Step 2: Convert to fraction form
    121,087.73/181,638.42 = 36,850.64/x
  3. Step 3: Cross multiply
    121,087.73x = 181,638.42 × 36,850.64
  4. Step 4: Simplify right side
    121,087.73x = 6,693,491,117.40
  5. Step 5: Solve for x
    x = 6,693,491,117.40/121,087.73
  6. Step 6: Final answer
    x = 55,278.03

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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.