Home / 223,086.83-307,745.79-142,429.61

Finding the Fourth Proportional to 223,086.83, 307,745.79 and 142,429.61

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Solution

The fourth proportional to 223,086.83, 307,745.79 and 142,429.61 is: 196,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,086.83 : 307,745.79 = 142,429.61 : x
  2. Step 2: Convert to fraction form
    223,086.83/307,745.79 = 142,429.61/x
  3. Step 3: Cross multiply
    223,086.83x = 307,745.79 × 142,429.61
  4. Step 4: Simplify right side
    223,086.83x = 43,832,112,848.84
  5. Step 5: Solve for x
    x = 43,832,112,848.84/223,086.83
  6. Step 6: Final answer
    x = 196,480.06

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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.