Home / 131,881.79-197,257.50-122,309.42

Finding the Fourth Proportional to 131,881.79, 197,257.50 and 122,309.42

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Solution

The fourth proportional to 131,881.79, 197,257.50 and 122,309.42 is: 182,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,881.79 : 197,257.50 = 122,309.42 : x
  2. Step 2: Convert to fraction form
    131,881.79/197,257.50 = 122,309.42/x
  3. Step 3: Cross multiply
    131,881.79x = 197,257.50 × 122,309.42
  4. Step 4: Simplify right side
    131,881.79x = 24,126,449,429.36
  5. Step 5: Solve for x
    x = 24,126,449,429.36/131,881.79
  6. Step 6: Final answer
    x = 182,939.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.