Home / 170,910.20-256,365.30-104,425.40

Finding the Fourth Proportional to 170,910.20, 256,365.30 and 104,425.40

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Solution

The fourth proportional to 170,910.20, 256,365.30 and 104,425.40 is: 156,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,910.20 : 256,365.30 = 104,425.40 : x
  2. Step 2: Convert to fraction form
    170,910.20/256,365.30 = 104,425.40/x
  3. Step 3: Cross multiply
    170,910.20x = 256,365.30 × 104,425.40
  4. Step 4: Simplify right side
    170,910.20x = 26,771,048,998.62
  5. Step 5: Solve for x
    x = 26,771,048,998.62/170,910.20
  6. Step 6: Final answer
    x = 156,638.10

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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.