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Finding the Fourth Proportional to 213,873.36, 295,210.98 and 123,289.89

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Solution

The fourth proportional to 213,873.36, 295,210.98 and 123,289.89 is: 170,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,873.36 : 295,210.98 = 123,289.89 : x
  2. Step 2: Convert to fraction form
    213,873.36/295,210.98 = 123,289.89/x
  3. Step 3: Cross multiply
    213,873.36x = 295,210.98 × 123,289.89
  4. Step 4: Simplify right side
    213,873.36x = 36,396,529,250.99
  5. Step 5: Solve for x
    x = 36,396,529,250.99/213,873.36
  6. Step 6: Final answer
    x = 170,177.95

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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.