Home / 126,453.97-174,504.40-69,870.61

Finding the Fourth Proportional to 126,453.97, 174,504.40 and 69,870.61

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Solution

The fourth proportional to 126,453.97, 174,504.40 and 69,870.61 is: 96,420.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,453.97 : 174,504.40 = 69,870.61 : x
  2. Step 2: Convert to fraction form
    126,453.97/174,504.40 = 69,870.61/x
  3. Step 3: Cross multiply
    126,453.97x = 174,504.40 × 69,870.61
  4. Step 4: Simplify right side
    126,453.97x = 12,192,728,875.68
  5. Step 5: Solve for x
    x = 12,192,728,875.68/126,453.97
  6. Step 6: Final answer
    x = 96,420.29

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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.