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Finding the Fourth Proportional to 134,854.62, 202,279.77 and 51,748.62

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Solution

The fourth proportional to 134,854.62, 202,279.77 and 51,748.62 is: 77,622.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,854.62 : 202,279.77 = 51,748.62 : x
  2. Step 2: Convert to fraction form
    134,854.62/202,279.77 = 51,748.62/x
  3. Step 3: Cross multiply
    134,854.62x = 202,279.77 × 51,748.62
  4. Step 4: Simplify right side
    134,854.62x = 10,467,698,951.42
  5. Step 5: Solve for x
    x = 10,467,698,951.42/134,854.62
  6. Step 6: Final answer
    x = 77,622.10

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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.