Home / 213,865.38-295,101.18-123,203.58

Finding the Fourth Proportional to 213,865.38, 295,101.18 and 123,203.58

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Solution

The fourth proportional to 213,865.38, 295,101.18 and 123,203.58 is: 170,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,865.38 : 295,101.18 = 123,203.58 : x
  2. Step 2: Convert to fraction form
    213,865.38/295,101.18 = 123,203.58/x
  3. Step 3: Cross multiply
    213,865.38x = 295,101.18 × 123,203.58
  4. Step 4: Simplify right side
    213,865.38x = 36,357,521,838.22
  5. Step 5: Solve for x
    x = 36,357,521,838.22/213,865.38
  6. Step 6: Final answer
    x = 170,001.90

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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.