Home / 144,162.32-199,037.60-129,028.73

Finding the Fourth Proportional to 144,162.32, 199,037.60 and 129,028.73

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Solution

The fourth proportional to 144,162.32, 199,037.60 and 129,028.73 is: 178,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,162.32 : 199,037.60 = 129,028.73 : x
  2. Step 2: Convert to fraction form
    144,162.32/199,037.60 = 129,028.73/x
  3. Step 3: Cross multiply
    144,162.32x = 199,037.60 × 129,028.73
  4. Step 4: Simplify right side
    144,162.32x = 25,681,569,570.41
  5. Step 5: Solve for x
    x = 25,681,569,570.41/144,162.32
  6. Step 6: Final answer
    x = 178,143.43

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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.