Home / 126,269.28-174,288.04-74,634.21

Finding the Fourth Proportional to 126,269.28, 174,288.04 and 74,634.21

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Solution

The fourth proportional to 126,269.28, 174,288.04 and 74,634.21 is: 103,016.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,269.28 : 174,288.04 = 74,634.21 : x
  2. Step 2: Convert to fraction form
    126,269.28/174,288.04 = 74,634.21/x
  3. Step 3: Cross multiply
    126,269.28x = 174,288.04 × 74,634.21
  4. Step 4: Simplify right side
    126,269.28x = 13,007,848,933.24
  5. Step 5: Solve for x
    x = 13,007,848,933.24/126,269.28
  6. Step 6: Final answer
    x = 103,016.74

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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.