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Finding the Fourth Proportional to 135,660.60, 203,490.90 and 93,670.20

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Solution

The fourth proportional to 135,660.60, 203,490.90 and 93,670.20 is: 140,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,660.60 : 203,490.90 = 93,670.20 : x
  2. Step 2: Convert to fraction form
    135,660.60/203,490.90 = 93,670.20/x
  3. Step 3: Cross multiply
    135,660.60x = 203,490.90 × 93,670.20
  4. Step 4: Simplify right side
    135,660.60x = 19,061,033,301.18
  5. Step 5: Solve for x
    x = 19,061,033,301.18/135,660.60
  6. Step 6: Final answer
    x = 140,505.30

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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.