Home / 133,914.29-200,731.28-45,137.11

Finding the Fourth Proportional to 133,914.29, 200,731.28 and 45,137.11

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Solution

The fourth proportional to 133,914.29, 200,731.28 and 45,137.11 is: 67,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,914.29 : 200,731.28 = 45,137.11 : x
  2. Step 2: Convert to fraction form
    133,914.29/200,731.28 = 45,137.11/x
  3. Step 3: Cross multiply
    133,914.29x = 200,731.28 × 45,137.11
  4. Step 4: Simplify right side
    133,914.29x = 9,060,430,141.94
  5. Step 5: Solve for x
    x = 9,060,430,141.94/133,914.29
  6. Step 6: Final answer
    x = 67,658.43

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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.