Home / 126,436.12-174,481.74-69,847.24

Finding the Fourth Proportional to 126,436.12, 174,481.74 and 69,847.24

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Solution

The fourth proportional to 126,436.12, 174,481.74 and 69,847.24 is: 96,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,436.12 : 174,481.74 = 69,847.24 : x
  2. Step 2: Convert to fraction form
    126,436.12/174,481.74 = 69,847.24/x
  3. Step 3: Cross multiply
    126,436.12x = 174,481.74 × 69,847.24
  4. Step 4: Simplify right side
    126,436.12x = 12,187,067,969.40
  5. Step 5: Solve for x
    x = 12,187,067,969.40/126,436.12
  6. Step 6: Final answer
    x = 96,389.13

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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.