Home / 126,270.60-174,275.65-75,286.46

Finding the Fourth Proportional to 126,270.60, 174,275.65 and 75,286.46

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Solution

The fourth proportional to 126,270.60, 174,275.65 and 75,286.46 is: 103,908.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,270.60 : 174,275.65 = 75,286.46 : x
  2. Step 2: Convert to fraction form
    126,270.60/174,275.65 = 75,286.46/x
  3. Step 3: Cross multiply
    126,270.60x = 174,275.65 × 75,286.46
  4. Step 4: Simplify right side
    126,270.60x = 13,120,597,282.50
  5. Step 5: Solve for x
    x = 13,120,597,282.50/126,270.60
  6. Step 6: Final answer
    x = 103,908.57

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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.