Home / 126,927.70-190,261.95-74,310.10

Finding the Fourth Proportional to 126,927.70, 190,261.95 and 74,310.10

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Solution

The fourth proportional to 126,927.70, 190,261.95 and 74,310.10 is: 111,389.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,927.70 : 190,261.95 = 74,310.10 : x
  2. Step 2: Convert to fraction form
    126,927.70/190,261.95 = 74,310.10/x
  3. Step 3: Cross multiply
    126,927.70x = 190,261.95 × 74,310.10
  4. Step 4: Simplify right side
    126,927.70x = 14,138,384,530.70
  5. Step 5: Solve for x
    x = 14,138,384,530.70/126,927.70
  6. Step 6: Final answer
    x = 111,389.28

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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.