Home / 129,617.01-194,465.61-54,770.58

Finding the Fourth Proportional to 129,617.01, 194,465.61 and 54,770.58

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Solution

The fourth proportional to 129,617.01, 194,465.61 and 54,770.58 is: 82,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,617.01 : 194,465.61 = 54,770.58 : x
  2. Step 2: Convert to fraction form
    129,617.01/194,465.61 = 54,770.58/x
  3. Step 3: Cross multiply
    129,617.01x = 194,465.61 × 54,770.58
  4. Step 4: Simplify right side
    129,617.01x = 10,650,994,249.75
  5. Step 5: Solve for x
    x = 10,650,994,249.75/129,617.01
  6. Step 6: Final answer
    x = 82,172.81

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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.