Home / 170,796.20-255,611.10-156,799.40

Finding the Fourth Proportional to 170,796.20, 255,611.10 and 156,799.40

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Solution

The fourth proportional to 170,796.20, 255,611.10 and 156,799.40 is: 234,663.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,796.20 : 255,611.10 = 156,799.40 : x
  2. Step 2: Convert to fraction form
    170,796.20/255,611.10 = 156,799.40/x
  3. Step 3: Cross multiply
    170,796.20x = 255,611.10 × 156,799.40
  4. Step 4: Simplify right side
    170,796.20x = 40,079,667,113.34
  5. Step 5: Solve for x
    x = 40,079,667,113.34/170,796.20
  6. Step 6: Final answer
    x = 234,663.69

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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.