Home / 116,126.70-173,898.45-76,469.10

Finding the Fourth Proportional to 116,126.70, 173,898.45 and 76,469.10

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Solution

The fourth proportional to 116,126.70, 173,898.45 and 76,469.10 is: 114,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,126.70 : 173,898.45 = 76,469.10 : x
  2. Step 2: Convert to fraction form
    116,126.70/173,898.45 = 76,469.10/x
  3. Step 3: Cross multiply
    116,126.70x = 173,898.45 × 76,469.10
  4. Step 4: Simplify right side
    116,126.70x = 13,297,857,962.90
  5. Step 5: Solve for x
    x = 13,297,857,962.90/116,126.70
  6. Step 6: Final answer
    x = 114,511.63

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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.