Home / 97,469.89-145,983.40-76,277.86

Finding the Fourth Proportional to 97,469.89, 145,983.40 and 76,277.86

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Solution

The fourth proportional to 97,469.89, 145,983.40 and 76,277.86 is: 114,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,469.89 : 145,983.40 = 76,277.86 : x
  2. Step 2: Convert to fraction form
    97,469.89/145,983.40 = 76,277.86/x
  3. Step 3: Cross multiply
    97,469.89x = 145,983.40 × 76,277.86
  4. Step 4: Simplify right side
    97,469.89x = 11,135,300,791.87
  5. Step 5: Solve for x
    x = 11,135,300,791.87/97,469.89
  6. Step 6: Final answer
    x = 114,243.50

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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.