Home / 223,179.19-307,872.92-142,521.73

Finding the Fourth Proportional to 223,179.19, 307,872.92 and 142,521.73

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Solution

The fourth proportional to 223,179.19, 307,872.92 and 142,521.73 is: 196,606.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,179.19 : 307,872.92 = 142,521.73 : x
  2. Step 2: Convert to fraction form
    223,179.19/307,872.92 = 142,521.73/x
  3. Step 3: Cross multiply
    223,179.19x = 307,872.92 × 142,521.73
  4. Step 4: Simplify right side
    223,179.19x = 43,878,580,765.17
  5. Step 5: Solve for x
    x = 43,878,580,765.17/223,179.19
  6. Step 6: Final answer
    x = 196,606.96

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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.