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Finding the Fourth Proportional to 135,301.40, 203,340.90 and 118,194.20

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Solution

The fourth proportional to 135,301.40, 203,340.90 and 118,194.20 is: 177,630.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,301.40 : 203,340.90 = 118,194.20 : x
  2. Step 2: Convert to fraction form
    135,301.40/203,340.90 = 118,194.20/x
  3. Step 3: Cross multiply
    135,301.40x = 203,340.90 × 118,194.20
  4. Step 4: Simplify right side
    135,301.40x = 24,033,715,002.78
  5. Step 5: Solve for x
    x = 24,033,715,002.78/135,301.40
  6. Step 6: Final answer
    x = 177,630.94

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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.