Home / 126,090.80-174,004.40-69,502.08

Finding the Fourth Proportional to 126,090.80, 174,004.40 and 69,502.08

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Solution

The fourth proportional to 126,090.80, 174,004.40 and 69,502.08 is: 95,912.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,090.80 : 174,004.40 = 69,502.08 : x
  2. Step 2: Convert to fraction form
    126,090.80/174,004.40 = 69,502.08/x
  3. Step 3: Cross multiply
    126,090.80x = 174,004.40 × 69,502.08
  4. Step 4: Simplify right side
    126,090.80x = 12,093,667,729.15
  5. Step 5: Solve for x
    x = 12,093,667,729.15/126,090.80
  6. Step 6: Final answer
    x = 95,912.37

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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.