Home / 131,092.20-196,638.30-89,620.20

Finding the Fourth Proportional to 131,092.20, 196,638.30 and 89,620.20

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Solution

The fourth proportional to 131,092.20, 196,638.30 and 89,620.20 is: 134,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,092.20 : 196,638.30 = 89,620.20 : x
  2. Step 2: Convert to fraction form
    131,092.20/196,638.30 = 89,620.20/x
  3. Step 3: Cross multiply
    131,092.20x = 196,638.30 × 89,620.20
  4. Step 4: Simplify right side
    131,092.20x = 17,622,763,773.66
  5. Step 5: Solve for x
    x = 17,622,763,773.66/131,092.20
  6. Step 6: Final answer
    x = 134,430.30

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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.