Home / 76,147.61-113,676.39-66,185.82

Finding the Fourth Proportional to 76,147.61, 113,676.39 and 66,185.82

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Solution

The fourth proportional to 76,147.61, 113,676.39 and 66,185.82 is: 98,805.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,147.61 : 113,676.39 = 66,185.82 : x
  2. Step 2: Convert to fraction form
    76,147.61/113,676.39 = 66,185.82/x
  3. Step 3: Cross multiply
    76,147.61x = 113,676.39 × 66,185.82
  4. Step 4: Simplify right side
    76,147.61x = 7,523,765,086.79
  5. Step 5: Solve for x
    x = 7,523,765,086.79/76,147.61
  6. Step 6: Final answer
    x = 98,805.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.