Home / 132,465.48-182,738.06-78,712.43

Finding the Fourth Proportional to 132,465.48, 182,738.06 and 78,712.43

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Solution

The fourth proportional to 132,465.48, 182,738.06 and 78,712.43 is: 108,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,465.48 : 182,738.06 = 78,712.43 : x
  2. Step 2: Convert to fraction form
    132,465.48/182,738.06 = 78,712.43/x
  3. Step 3: Cross multiply
    132,465.48x = 182,738.06 × 78,712.43
  4. Step 4: Simplify right side
    132,465.48x = 14,383,755,744.01
  5. Step 5: Solve for x
    x = 14,383,755,744.01/132,465.48
  6. Step 6: Final answer
    x = 108,584.94

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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.