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Finding the Fourth Proportional to 129,825.40, 194,738.10 and 129,825.40

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Solution

The fourth proportional to 129,825.40, 194,738.10 and 129,825.40 is: 194,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,825.40 : 194,738.10 = 129,825.40 : x
  2. Step 2: Convert to fraction form
    129,825.40/194,738.10 = 129,825.40/x
  3. Step 3: Cross multiply
    129,825.40x = 194,738.10 × 129,825.40
  4. Step 4: Simplify right side
    129,825.40x = 25,281,951,727.74
  5. Step 5: Solve for x
    x = 25,281,951,727.74/129,825.40
  6. Step 6: Final answer
    x = 194,738.10

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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.