Home / 133,952.06-200,787.78-45,174.98

Finding the Fourth Proportional to 133,952.06, 200,787.78 and 45,174.98

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Solution

The fourth proportional to 133,952.06, 200,787.78 and 45,174.98 is: 67,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,952.06 : 200,787.78 = 45,174.98 : x
  2. Step 2: Convert to fraction form
    133,952.06/200,787.78 = 45,174.98/x
  3. Step 3: Cross multiply
    133,952.06x = 200,787.78 × 45,174.98
  4. Step 4: Simplify right side
    133,952.06x = 9,070,583,945.74
  5. Step 5: Solve for x
    x = 9,070,583,945.74/133,952.06
  6. Step 6: Final answer
    x = 67,715.15

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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.