Home / 122,752.35-169,363.22-73,673.97

Finding the Fourth Proportional to 122,752.35, 169,363.22 and 73,673.97

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Solution

The fourth proportional to 122,752.35, 169,363.22 and 73,673.97 is: 101,649.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,752.35 : 169,363.22 = 73,673.97 : x
  2. Step 2: Convert to fraction form
    122,752.35/169,363.22 = 73,673.97/x
  3. Step 3: Cross multiply
    122,752.35x = 169,363.22 × 73,673.97
  4. Step 4: Simplify right side
    122,752.35x = 12,477,660,421.01
  5. Step 5: Solve for x
    x = 12,477,660,421.01/122,752.35
  6. Step 6: Final answer
    x = 101,649.06

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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.