Home / 213,848.57-295,078.15-123,186.83

Finding the Fourth Proportional to 213,848.57, 295,078.15 and 123,186.83

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Solution

The fourth proportional to 213,848.57, 295,078.15 and 123,186.83 is: 169,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,848.57 : 295,078.15 = 123,186.83 : x
  2. Step 2: Convert to fraction form
    213,848.57/295,078.15 = 123,186.83/x
  3. Step 3: Cross multiply
    213,848.57x = 295,078.15 × 123,186.83
  4. Step 4: Simplify right side
    213,848.57x = 36,349,741,900.76
  5. Step 5: Solve for x
    x = 36,349,741,900.76/213,848.57
  6. Step 6: Final answer
    x = 169,978.89

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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.