Home / 126,278.93-174,265.88-68,918.69

Finding the Fourth Proportional to 126,278.93, 174,265.88 and 68,918.69

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Solution

The fourth proportional to 126,278.93, 174,265.88 and 68,918.69 is: 95,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,278.93 : 174,265.88 = 68,918.69 : x
  2. Step 2: Convert to fraction form
    126,278.93/174,265.88 = 68,918.69/x
  3. Step 3: Cross multiply
    126,278.93x = 174,265.88 × 68,918.69
  4. Step 4: Simplify right side
    126,278.93x = 12,010,174,945.37
  5. Step 5: Solve for x
    x = 12,010,174,945.37/126,278.93
  6. Step 6: Final answer
    x = 95,108.31

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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.