Home / 165,861.91-248,428.19-137,072.58

Finding the Fourth Proportional to 165,861.91, 248,428.19 and 137,072.58

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Solution

The fourth proportional to 165,861.91, 248,428.19 and 137,072.58 is: 205,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,861.91 : 248,428.19 = 137,072.58 : x
  2. Step 2: Convert to fraction form
    165,861.91/248,428.19 = 137,072.58/x
  3. Step 3: Cross multiply
    165,861.91x = 248,428.19 × 137,072.58
  4. Step 4: Simplify right side
    165,861.91x = 34,052,691,641.60
  5. Step 5: Solve for x
    x = 34,052,691,641.60/165,861.91
  6. Step 6: Final answer
    x = 205,307.49

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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.