Home / 126,080.44-189,191.76-69,913.51

Finding the Fourth Proportional to 126,080.44, 189,191.76 and 69,913.51

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Solution

The fourth proportional to 126,080.44, 189,191.76 and 69,913.51 is: 104,909.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,080.44 : 189,191.76 = 69,913.51 : x
  2. Step 2: Convert to fraction form
    126,080.44/189,191.76 = 69,913.51/x
  3. Step 3: Cross multiply
    126,080.44x = 189,191.76 × 69,913.51
  4. Step 4: Simplify right side
    126,080.44x = 13,227,060,004.68
  5. Step 5: Solve for x
    x = 13,227,060,004.68/126,080.44
  6. Step 6: Final answer
    x = 104,909.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.