Home / 131,806.20-197,612.10-89,580.90

Finding the Fourth Proportional to 131,806.20, 197,612.10 and 89,580.90

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Solution

The fourth proportional to 131,806.20, 197,612.10 and 89,580.90 is: 134,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,806.20 : 197,612.10 = 89,580.90 : x
  2. Step 2: Convert to fraction form
    131,806.20/197,612.10 = 89,580.90/x
  3. Step 3: Cross multiply
    131,806.20x = 197,612.10 × 89,580.90
  4. Step 4: Simplify right side
    131,806.20x = 17,702,269,768.89
  5. Step 5: Solve for x
    x = 17,702,269,768.89/131,806.20
  6. Step 6: Final answer
    x = 134,305.29

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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.