Home / 132,571.56-182,949.48-72,142.62

Finding the Fourth Proportional to 132,571.56, 182,949.48 and 72,142.62

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Solution

The fourth proportional to 132,571.56, 182,949.48 and 72,142.62 is: 99,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,571.56 : 182,949.48 = 72,142.62 : x
  2. Step 2: Convert to fraction form
    132,571.56/182,949.48 = 72,142.62/x
  3. Step 3: Cross multiply
    132,571.56x = 182,949.48 × 72,142.62
  4. Step 4: Simplify right side
    132,571.56x = 13,198,454,814.84
  5. Step 5: Solve for x
    x = 13,198,454,814.84/132,571.56
  6. Step 6: Final answer
    x = 99,557.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.