Home / 131,085.92-196,322.70-120,500.84

Finding the Fourth Proportional to 131,085.92, 196,322.70 and 120,500.84

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Solution

The fourth proportional to 131,085.92, 196,322.70 and 120,500.84 is: 180,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,085.92 : 196,322.70 = 120,500.84 : x
  2. Step 2: Convert to fraction form
    131,085.92/196,322.70 = 120,500.84/x
  3. Step 3: Cross multiply
    131,085.92x = 196,322.70 × 120,500.84
  4. Step 4: Simplify right side
    131,085.92x = 23,657,050,261.07
  5. Step 5: Solve for x
    x = 23,657,050,261.07/131,085.92
  6. Step 6: Final answer
    x = 180,469.80

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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.