Home / 143,241.34-197,672.97-79,585.06

Finding the Fourth Proportional to 143,241.34, 197,672.97 and 79,585.06

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Solution

The fourth proportional to 143,241.34, 197,672.97 and 79,585.06 is: 109,827.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,241.34 : 197,672.97 = 79,585.06 : x
  2. Step 2: Convert to fraction form
    143,241.34/197,672.97 = 79,585.06/x
  3. Step 3: Cross multiply
    143,241.34x = 197,672.97 × 79,585.06
  4. Step 4: Simplify right side
    143,241.34x = 15,731,815,177.83
  5. Step 5: Solve for x
    x = 15,731,815,177.83/143,241.34
  6. Step 6: Final answer
    x = 109,827.34

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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.