Home / 136,249.14-204,406.53-42,754.89

Finding the Fourth Proportional to 136,249.14, 204,406.53 and 42,754.89

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Solution

The fourth proportional to 136,249.14, 204,406.53 and 42,754.89 is: 64,142.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,249.14 : 204,406.53 = 42,754.89 : x
  2. Step 2: Convert to fraction form
    136,249.14/204,406.53 = 42,754.89/x
  3. Step 3: Cross multiply
    136,249.14x = 204,406.53 × 42,754.89
  4. Step 4: Simplify right side
    136,249.14x = 8,739,378,705.43
  5. Step 5: Solve for x
    x = 8,739,378,705.43/136,249.14
  6. Step 6: Final answer
    x = 64,142.63

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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.