Home / 131,901.40-197,852.10-43,157.80

Finding the Fourth Proportional to 131,901.40, 197,852.10 and 43,157.80

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Solution

The fourth proportional to 131,901.40, 197,852.10 and 43,157.80 is: 64,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,901.40 : 197,852.10 = 43,157.80 : x
  2. Step 2: Convert to fraction form
    131,901.40/197,852.10 = 43,157.80/x
  3. Step 3: Cross multiply
    131,901.40x = 197,852.10 × 43,157.80
  4. Step 4: Simplify right side
    131,901.40x = 8,538,861,361.38
  5. Step 5: Solve for x
    x = 8,538,861,361.38/131,901.40
  6. Step 6: Final answer
    x = 64,736.70

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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.