Home / 126,358.31-174,369.89-69,768.47

Finding the Fourth Proportional to 126,358.31, 174,369.89 and 69,768.47

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Solution

The fourth proportional to 126,358.31, 174,369.89 and 69,768.47 is: 96,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,358.31 : 174,369.89 = 69,768.47 : x
  2. Step 2: Convert to fraction form
    126,358.31/174,369.89 = 69,768.47/x
  3. Step 3: Cross multiply
    126,358.31x = 174,369.89 × 69,768.47
  4. Step 4: Simplify right side
    126,358.31x = 12,165,519,218.68
  5. Step 5: Solve for x
    x = 12,165,519,218.68/126,358.31
  6. Step 6: Final answer
    x = 96,277.96

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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.