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Finding the Fourth Proportional to 136,554, 204,830.70 and 36,714.20

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Solution

The fourth proportional to 136,554, 204,830.70 and 36,714.20 is: 55,071.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,554 : 204,830.70 = 36,714.20 : x
  2. Step 2: Convert to fraction form
    136,554/204,830.70 = 36,714.20/x
  3. Step 3: Cross multiply
    136,554x = 204,830.70 × 36,714.20
  4. Step 4: Simplify right side
    136,554x = 7,520,195,285.94
  5. Step 5: Solve for x
    x = 7,520,195,285.94/136,554
  6. Step 6: Final answer
    x = 55,071.22

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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.