Home / 132,228.27-198,490.37-87,941.79

Finding the Fourth Proportional to 132,228.27, 198,490.37 and 87,941.79

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Solution

The fourth proportional to 132,228.27, 198,490.37 and 87,941.79 is: 132,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,228.27 : 198,490.37 = 87,941.79 : x
  2. Step 2: Convert to fraction form
    132,228.27/198,490.37 = 87,941.79/x
  3. Step 3: Cross multiply
    132,228.27x = 198,490.37 × 87,941.79
  4. Step 4: Simplify right side
    132,228.27x = 17,455,597,995.85
  5. Step 5: Solve for x
    x = 17,455,597,995.85/132,228.27
  6. Step 6: Final answer
    x = 132,011.09

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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.