Home / 133,665.12-200,359.44-63,491.04

Finding the Fourth Proportional to 133,665.12, 200,359.44 and 63,491.04

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Solution

The fourth proportional to 133,665.12, 200,359.44 and 63,491.04 is: 95,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,665.12 : 200,359.44 = 63,491.04 : x
  2. Step 2: Convert to fraction form
    133,665.12/200,359.44 = 63,491.04/x
  3. Step 3: Cross multiply
    133,665.12x = 200,359.44 × 63,491.04
  4. Step 4: Simplify right side
    133,665.12x = 12,721,029,219.42
  5. Step 5: Solve for x
    x = 12,721,029,219.42/133,665.12
  6. Step 6: Final answer
    x = 95,170.90

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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.