Home / 126,388.84-174,414.18-69,799

Finding the Fourth Proportional to 126,388.84, 174,414.18 and 69,799

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Solution

The fourth proportional to 126,388.84, 174,414.18 and 69,799 is: 96,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,388.84 : 174,414.18 = 69,799 : x
  2. Step 2: Convert to fraction form
    126,388.84/174,414.18 = 69,799/x
  3. Step 3: Cross multiply
    126,388.84x = 174,414.18 × 69,799
  4. Step 4: Simplify right side
    126,388.84x = 12,173,935,349.82
  5. Step 5: Solve for x
    x = 12,173,935,349.82/126,388.84
  6. Step 6: Final answer
    x = 96,321.28

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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.