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Finding the Fourth Proportional to 129,994.92, 194,991.48 and 36,500.76

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Solution

The fourth proportional to 129,994.92, 194,991.48 and 36,500.76 is: 54,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,994.92 : 194,991.48 = 36,500.76 : x
  2. Step 2: Convert to fraction form
    129,994.92/194,991.48 = 36,500.76/x
  3. Step 3: Cross multiply
    129,994.92x = 194,991.48 × 36,500.76
  4. Step 4: Simplify right side
    129,994.92x = 7,117,337,213.52
  5. Step 5: Solve for x
    x = 7,117,337,213.52/129,994.92
  6. Step 6: Final answer
    x = 54,750.89

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1.5x scale

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.