Home / 127,880.20-191,474.70-100,232.20

Finding the Fourth Proportional to 127,880.20, 191,474.70 and 100,232.20

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Solution

The fourth proportional to 127,880.20, 191,474.70 and 100,232.20 is: 150,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,880.20 : 191,474.70 = 100,232.20 : x
  2. Step 2: Convert to fraction form
    127,880.20/191,474.70 = 100,232.20/x
  3. Step 3: Cross multiply
    127,880.20x = 191,474.70 × 100,232.20
  4. Step 4: Simplify right side
    127,880.20x = 19,191,930,425.34
  5. Step 5: Solve for x
    x = 19,191,930,425.34/127,880.20
  6. Step 6: Final answer
    x = 150,077.42

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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.