Home / 126,338.07-174,346.78-68,977.39

Finding the Fourth Proportional to 126,338.07, 174,346.78 and 68,977.39

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Solution

The fourth proportional to 126,338.07, 174,346.78 and 68,977.39 is: 95,188.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,338.07 : 174,346.78 = 68,977.39 : x
  2. Step 2: Convert to fraction form
    126,338.07/174,346.78 = 68,977.39/x
  3. Step 3: Cross multiply
    126,338.07x = 174,346.78 × 68,977.39
  4. Step 4: Simplify right side
    126,338.07x = 12,025,985,839.30
  5. Step 5: Solve for x
    x = 12,025,985,839.30/126,338.07
  6. Step 6: Final answer
    x = 95,188.93

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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.