Home / 127,080.12-190,466.24-70,860.48

Finding the Fourth Proportional to 127,080.12, 190,466.24 and 70,860.48

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Solution

The fourth proportional to 127,080.12, 190,466.24 and 70,860.48 is: 106,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,080.12 : 190,466.24 = 70,860.48 : x
  2. Step 2: Convert to fraction form
    127,080.12/190,466.24 = 70,860.48/x
  3. Step 3: Cross multiply
    127,080.12x = 190,466.24 × 70,860.48
  4. Step 4: Simplify right side
    127,080.12x = 13,496,529,190.20
  5. Step 5: Solve for x
    x = 13,496,529,190.20/127,080.12
  6. Step 6: Final answer
    x = 106,204.88

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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.