Home / 204,126.40-306,043.80-91,714.60

Finding the Fourth Proportional to 204,126.40, 306,043.80 and 91,714.60

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Solution

The fourth proportional to 204,126.40, 306,043.80 and 91,714.60 is: 137,506.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,126.40 : 306,043.80 = 91,714.60 : x
  2. Step 2: Convert to fraction form
    204,126.40/306,043.80 = 91,714.60/x
  3. Step 3: Cross multiply
    204,126.40x = 306,043.80 × 91,714.60
  4. Step 4: Simplify right side
    204,126.40x = 28,068,684,699.48
  5. Step 5: Solve for x
    x = 28,068,684,699.48/204,126.40
  6. Step 6: Final answer
    x = 137,506.39

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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.