Home / 127,260.90-190,891.35-120,003.30

Finding the Fourth Proportional to 127,260.90, 190,891.35 and 120,003.30

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Solution

The fourth proportional to 127,260.90, 190,891.35 and 120,003.30 is: 180,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,260.90 : 190,891.35 = 120,003.30 : x
  2. Step 2: Convert to fraction form
    127,260.90/190,891.35 = 120,003.30/x
  3. Step 3: Cross multiply
    127,260.90x = 190,891.35 × 120,003.30
  4. Step 4: Simplify right side
    127,260.90x = 22,907,591,941.46
  5. Step 5: Solve for x
    x = 22,907,591,941.46/127,260.90
  6. Step 6: Final answer
    x = 180,004.95

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1.5x scale

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.