Home / 132,712.34-198,910.76-92,514.06

Finding the Fourth Proportional to 132,712.34, 198,910.76 and 92,514.06

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Solution

The fourth proportional to 132,712.34, 198,910.76 and 92,514.06 is: 138,661.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,712.34 : 198,910.76 = 92,514.06 : x
  2. Step 2: Convert to fraction form
    132,712.34/198,910.76 = 92,514.06/x
  3. Step 3: Cross multiply
    132,712.34x = 198,910.76 × 92,514.06
  4. Step 4: Simplify right side
    132,712.34x = 18,402,041,522.72
  5. Step 5: Solve for x
    x = 18,402,041,522.72/132,712.34
  6. Step 6: Final answer
    x = 138,661.12

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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.