Home / 129,554.34-194,167.79-69,433.41

Finding the Fourth Proportional to 129,554.34, 194,167.79 and 69,433.41

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Solution

The fourth proportional to 129,554.34, 194,167.79 and 69,433.41 is: 104,062.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,554.34 : 194,167.79 = 69,433.41 : x
  2. Step 2: Convert to fraction form
    129,554.34/194,167.79 = 69,433.41/x
  3. Step 3: Cross multiply
    129,554.34x = 194,167.79 × 69,433.41
  4. Step 4: Simplify right side
    129,554.34x = 13,481,731,424.70
  5. Step 5: Solve for x
    x = 13,481,731,424.70/129,554.34
  6. Step 6: Final answer
    x = 104,062.37

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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.