Home / 127,973.97-176,608.89-71,396.28

Finding the Fourth Proportional to 127,973.97, 176,608.89 and 71,396.28

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Solution

The fourth proportional to 127,973.97, 176,608.89 and 71,396.28 is: 98,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,973.97 : 176,608.89 = 71,396.28 : x
  2. Step 2: Convert to fraction form
    127,973.97/176,608.89 = 71,396.28/x
  3. Step 3: Cross multiply
    127,973.97x = 176,608.89 × 71,396.28
  4. Step 4: Simplify right side
    127,973.97x = 12,609,217,760.93
  5. Step 5: Solve for x
    x = 12,609,217,760.93/127,973.97
  6. Step 6: Final answer
    x = 98,529.55

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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.