Home / 118,408.17-177,738.69-50,973.58

Finding the Fourth Proportional to 118,408.17, 177,738.69 and 50,973.58

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Solution

The fourth proportional to 118,408.17, 177,738.69 and 50,973.58 is: 76,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,408.17 : 177,738.69 = 50,973.58 : x
  2. Step 2: Convert to fraction form
    118,408.17/177,738.69 = 50,973.58/x
  3. Step 3: Cross multiply
    118,408.17x = 177,738.69 × 50,973.58
  4. Step 4: Simplify right side
    118,408.17x = 9,059,976,853.00
  5. Step 5: Solve for x
    x = 9,059,976,853.00/118,408.17
  6. Step 6: Final answer
    x = 76,514.80

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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.