Home / 127,839.25-176,418.33-76,852.54

Finding the Fourth Proportional to 127,839.25, 176,418.33 and 76,852.54

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Solution

The fourth proportional to 127,839.25, 176,418.33 and 76,852.54 is: 106,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,839.25 : 176,418.33 = 76,852.54 : x
  2. Step 2: Convert to fraction form
    127,839.25/176,418.33 = 76,852.54/x
  3. Step 3: Cross multiply
    127,839.25x = 176,418.33 × 76,852.54
  4. Step 4: Simplify right side
    127,839.25x = 13,558,196,763.06
  5. Step 5: Solve for x
    x = 13,558,196,763.06/127,839.25
  6. Step 6: Final answer
    x = 106,056.60

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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.