Home / 213,058.45-294,013.60-117,565.21

Finding the Fourth Proportional to 213,058.45, 294,013.60 and 117,565.21

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Solution

The fourth proportional to 213,058.45, 294,013.60 and 117,565.21 is: 162,236.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,058.45 : 294,013.60 = 117,565.21 : x
  2. Step 2: Convert to fraction form
    213,058.45/294,013.60 = 117,565.21/x
  3. Step 3: Cross multiply
    213,058.45x = 294,013.60 × 117,565.21
  4. Step 4: Simplify right side
    213,058.45x = 34,565,770,626.86
  5. Step 5: Solve for x
    x = 34,565,770,626.86/213,058.45
  6. Step 6: Final answer
    x = 162,236.09

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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.