Home / 129,935.34-194,822.82-51,013.80

Finding the Fourth Proportional to 129,935.34, 194,822.82 and 51,013.80

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Solution

The fourth proportional to 129,935.34, 194,822.82 and 51,013.80 is: 76,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,935.34 : 194,822.82 = 51,013.80 : x
  2. Step 2: Convert to fraction form
    129,935.34/194,822.82 = 51,013.80/x
  3. Step 3: Cross multiply
    129,935.34x = 194,822.82 × 51,013.80
  4. Step 4: Simplify right side
    129,935.34x = 9,938,652,374.92
  5. Step 5: Solve for x
    x = 9,938,652,374.92/129,935.34
  6. Step 6: Final answer
    x = 76,489.22

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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.