Home / 127,676.69-176,195.06-71,089.28

Finding the Fourth Proportional to 127,676.69, 176,195.06 and 71,089.28

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Solution

The fourth proportional to 127,676.69, 176,195.06 and 71,089.28 is: 98,103.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,676.69 : 176,195.06 = 71,089.28 : x
  2. Step 2: Convert to fraction form
    127,676.69/176,195.06 = 71,089.28/x
  3. Step 3: Cross multiply
    127,676.69x = 176,195.06 × 71,089.28
  4. Step 4: Simplify right side
    127,676.69x = 12,525,579,954.96
  5. Step 5: Solve for x
    x = 12,525,579,954.96/127,676.69
  6. Step 6: Final answer
    x = 98,103.89

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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.