Home / 133,702.08-200,551.68-54,798.72

Finding the Fourth Proportional to 133,702.08, 200,551.68 and 54,798.72

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Solution

The fourth proportional to 133,702.08, 200,551.68 and 54,798.72 is: 82,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,702.08 : 200,551.68 = 54,798.72 : x
  2. Step 2: Convert to fraction form
    133,702.08/200,551.68 = 54,798.72/x
  3. Step 3: Cross multiply
    133,702.08x = 200,551.68 × 54,798.72
  4. Step 4: Simplify right side
    133,702.08x = 10,989,975,357.85
  5. Step 5: Solve for x
    x = 10,989,975,357.85/133,702.08
  6. Step 6: Final answer
    x = 82,197.49

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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.