Home / 132,044.90-197,729.27-72,814.86

Finding the Fourth Proportional to 132,044.90, 197,729.27 and 72,814.86

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Solution

The fourth proportional to 132,044.90, 197,729.27 and 72,814.86 is: 109,035.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,044.90 : 197,729.27 = 72,814.86 : x
  2. Step 2: Convert to fraction form
    132,044.90/197,729.27 = 72,814.86/x
  3. Step 3: Cross multiply
    132,044.90x = 197,729.27 × 72,814.86
  4. Step 4: Simplify right side
    132,044.90x = 14,397,629,021.93
  5. Step 5: Solve for x
    x = 14,397,629,021.93/132,044.90
  6. Step 6: Final answer
    x = 109,035.86

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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.