Home / 126,288.56-174,300.82-75,304.60

Finding the Fourth Proportional to 126,288.56, 174,300.82 and 75,304.60

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Solution

The fourth proportional to 126,288.56, 174,300.82 and 75,304.60 is: 103,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,288.56 : 174,300.82 = 75,304.60 : x
  2. Step 2: Convert to fraction form
    126,288.56/174,300.82 = 75,304.60/x
  3. Step 3: Cross multiply
    126,288.56x = 174,300.82 × 75,304.60
  4. Step 4: Simplify right side
    126,288.56x = 13,125,653,529.77
  5. Step 5: Solve for x
    x = 13,125,653,529.77/126,288.56
  6. Step 6: Final answer
    x = 103,933.83

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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.