Home / 133,786.08-200,709.83-45,037.22

Finding the Fourth Proportional to 133,786.08, 200,709.83 and 45,037.22

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Solution

The fourth proportional to 133,786.08, 200,709.83 and 45,037.22 is: 67,566.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,786.08 : 200,709.83 = 45,037.22 : x
  2. Step 2: Convert to fraction form
    133,786.08/200,709.83 = 45,037.22/x
  3. Step 3: Cross multiply
    133,786.08x = 200,709.83 × 45,037.22
  4. Step 4: Simplify right side
    133,786.08x = 9,039,411,878.92
  5. Step 5: Solve for x
    x = 9,039,411,878.92/133,786.08
  6. Step 6: Final answer
    x = 67,566.16

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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.