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Finding the Fourth Proportional to 137,873.08, 206,519 and 63,056.22

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Solution

The fourth proportional to 137,873.08, 206,519 and 63,056.22 is: 94,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,873.08 : 206,519 = 63,056.22 : x
  2. Step 2: Convert to fraction form
    137,873.08/206,519 = 63,056.22/x
  3. Step 3: Cross multiply
    137,873.08x = 206,519 × 63,056.22
  4. Step 4: Simplify right side
    137,873.08x = 13,022,307,498.18
  5. Step 5: Solve for x
    x = 13,022,307,498.18/137,873.08
  6. Step 6: Final answer
    x = 94,451.42

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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.