Home / 126,355.31-174,365.75-69,765.47

Finding the Fourth Proportional to 126,355.31, 174,365.75 and 69,765.47

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Solution

The fourth proportional to 126,355.31, 174,365.75 and 69,765.47 is: 96,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,355.31 : 174,365.75 = 69,765.47 : x
  2. Step 2: Convert to fraction form
    126,355.31/174,365.75 = 69,765.47/x
  3. Step 3: Cross multiply
    126,355.31x = 174,365.75 × 69,765.47
  4. Step 4: Simplify right side
    126,355.31x = 12,164,707,628.82
  5. Step 5: Solve for x
    x = 12,164,707,628.82/126,355.31
  6. Step 6: Final answer
    x = 96,273.82

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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.