Home / 126,455.51-174,503.39-69,096.80

Finding the Fourth Proportional to 126,455.51, 174,503.39 and 69,096.80

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Solution

The fourth proportional to 126,455.51, 174,503.39 and 69,096.80 is: 95,350.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,455.51 : 174,503.39 = 69,096.80 : x
  2. Step 2: Convert to fraction form
    126,455.51/174,503.39 = 69,096.80/x
  3. Step 3: Cross multiply
    126,455.51x = 174,503.39 × 69,096.80
  4. Step 4: Simplify right side
    126,455.51x = 12,057,624,620.15
  5. Step 5: Solve for x
    x = 12,057,624,620.15/126,455.51
  6. Step 6: Final answer
    x = 95,350.73

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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.