Home / 165,976.20-248,598.54-137,186.28

Finding the Fourth Proportional to 165,976.20, 248,598.54 and 137,186.28

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Solution

The fourth proportional to 165,976.20, 248,598.54 and 137,186.28 is: 205,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,976.20 : 248,598.54 = 137,186.28 : x
  2. Step 2: Convert to fraction form
    165,976.20/248,598.54 = 137,186.28/x
  3. Step 3: Cross multiply
    165,976.20x = 248,598.54 × 137,186.28
  4. Step 4: Simplify right side
    165,976.20x = 34,104,308,916.03
  5. Step 5: Solve for x
    x = 34,104,308,916.03/165,976.20
  6. Step 6: Final answer
    x = 205,477.10

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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.