Home / 165,428.46-248,003.91-137,269.62

Finding the Fourth Proportional to 165,428.46, 248,003.91 and 137,269.62

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Solution

The fourth proportional to 165,428.46, 248,003.91 and 137,269.62 is: 205,789.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,428.46 : 248,003.91 = 137,269.62 : x
  2. Step 2: Convert to fraction form
    165,428.46/248,003.91 = 137,269.62/x
  3. Step 3: Cross multiply
    165,428.46x = 248,003.91 × 137,269.62
  4. Step 4: Simplify right side
    165,428.46x = 34,043,402,484.21
  5. Step 5: Solve for x
    x = 34,043,402,484.21/165,428.46
  6. Step 6: Final answer
    x = 205,789.27

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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.