Home / 234,333.76-351,554.10-76,558.72

Finding the Fourth Proportional to 234,333.76, 351,554.10 and 76,558.72

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Solution

The fourth proportional to 234,333.76, 351,554.10 and 76,558.72 is: 114,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,333.76 : 351,554.10 = 76,558.72 : x
  2. Step 2: Convert to fraction form
    234,333.76/351,554.10 = 76,558.72/x
  3. Step 3: Cross multiply
    234,333.76x = 351,554.10 × 76,558.72
  4. Step 4: Simplify right side
    234,333.76x = 26,914,531,906.75
  5. Step 5: Solve for x
    x = 26,914,531,906.75/234,333.76
  6. Step 6: Final answer
    x = 114,855.55

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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.