Home / 127,954.49-191,867.33-74,664.59

Finding the Fourth Proportional to 127,954.49, 191,867.33 and 74,664.59

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Solution

The fourth proportional to 127,954.49, 191,867.33 and 74,664.59 is: 111,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,954.49 : 191,867.33 = 74,664.59 : x
  2. Step 2: Convert to fraction form
    127,954.49/191,867.33 = 74,664.59/x
  3. Step 3: Cross multiply
    127,954.49x = 191,867.33 × 74,664.59
  4. Step 4: Simplify right side
    127,954.49x = 14,325,694,756.17
  5. Step 5: Solve for x
    x = 14,325,694,756.17/127,954.49
  6. Step 6: Final answer
    x = 111,959.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.