Home / 127,272.80-190,909.20-106,536.80

Finding the Fourth Proportional to 127,272.80, 190,909.20 and 106,536.80

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Solution

The fourth proportional to 127,272.80, 190,909.20 and 106,536.80 is: 159,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,272.80 : 190,909.20 = 106,536.80 : x
  2. Step 2: Convert to fraction form
    127,272.80/190,909.20 = 106,536.80/x
  3. Step 3: Cross multiply
    127,272.80x = 190,909.20 × 106,536.80
  4. Step 4: Simplify right side
    127,272.80x = 20,338,855,258.56
  5. Step 5: Solve for x
    x = 20,338,855,258.56/127,272.80
  6. Step 6: Final answer
    x = 159,805.20

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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.