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Finding the Fourth Proportional to 195,445.60, 293,168.40 and 90,469.60

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Solution

The fourth proportional to 195,445.60, 293,168.40 and 90,469.60 is: 135,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,445.60 : 293,168.40 = 90,469.60 : x
  2. Step 2: Convert to fraction form
    195,445.60/293,168.40 = 90,469.60/x
  3. Step 3: Cross multiply
    195,445.60x = 293,168.40 × 90,469.60
  4. Step 4: Simplify right side
    195,445.60x = 26,522,827,880.64
  5. Step 5: Solve for x
    x = 26,522,827,880.64/195,445.60
  6. Step 6: Final answer
    x = 135,704.40

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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.