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Finding the Fourth Proportional to 129,885.30, 194,856.30 and 73,752.30

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Solution

The fourth proportional to 129,885.30, 194,856.30 and 73,752.30 is: 110,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,885.30 : 194,856.30 = 73,752.30 : x
  2. Step 2: Convert to fraction form
    129,885.30/194,856.30 = 73,752.30/x
  3. Step 3: Cross multiply
    129,885.30x = 194,856.30 × 73,752.30
  4. Step 4: Simplify right side
    129,885.30x = 14,371,100,294.49
  5. Step 5: Solve for x
    x = 14,371,100,294.49/129,885.30
  6. Step 6: Final answer
    x = 110,644.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.