Home / 170,722.80-256,084.20-135,471.60

Finding the Fourth Proportional to 170,722.80, 256,084.20 and 135,471.60

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Solution

The fourth proportional to 170,722.80, 256,084.20 and 135,471.60 is: 203,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,722.80 : 256,084.20 = 135,471.60 : x
  2. Step 2: Convert to fraction form
    170,722.80/256,084.20 = 135,471.60/x
  3. Step 3: Cross multiply
    170,722.80x = 256,084.20 × 135,471.60
  4. Step 4: Simplify right side
    170,722.80x = 34,692,136,308.72
  5. Step 5: Solve for x
    x = 34,692,136,308.72/170,722.80
  6. Step 6: Final answer
    x = 203,207.40

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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.