Home / 127,116.90-190,675.35-103,497.30

Finding the Fourth Proportional to 127,116.90, 190,675.35 and 103,497.30

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Solution

The fourth proportional to 127,116.90, 190,675.35 and 103,497.30 is: 155,245.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116.90 : 190,675.35 = 103,497.30 : x
  2. Step 2: Convert to fraction form
    127,116.90/190,675.35 = 103,497.30/x
  3. Step 3: Cross multiply
    127,116.90x = 190,675.35 × 103,497.30
  4. Step 4: Simplify right side
    127,116.90x = 19,734,383,901.56
  5. Step 5: Solve for x
    x = 19,734,383,901.56/127,116.90
  6. Step 6: Final answer
    x = 155,245.95

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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.