Home / 213,058.08-294,055.92-128,183.04

Finding the Fourth Proportional to 213,058.08, 294,055.92 and 128,183.04

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Solution

The fourth proportional to 213,058.08, 294,055.92 and 128,183.04 is: 176,914.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,058.08 : 294,055.92 = 128,183.04 : x
  2. Step 2: Convert to fraction form
    213,058.08/294,055.92 = 128,183.04/x
  3. Step 3: Cross multiply
    213,058.08x = 294,055.92 × 128,183.04
  4. Step 4: Simplify right side
    213,058.08x = 37,692,981,755.60
  5. Step 5: Solve for x
    x = 37,692,981,755.60/213,058.08
  6. Step 6: Final answer
    x = 176,914.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.