Home / 132,212.66-182,424.96-78,515.73

Finding the Fourth Proportional to 132,212.66, 182,424.96 and 78,515.73

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Solution

The fourth proportional to 132,212.66, 182,424.96 and 78,515.73 is: 108,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,212.66 : 182,424.96 = 78,515.73 : x
  2. Step 2: Convert to fraction form
    132,212.66/182,424.96 = 78,515.73/x
  3. Step 3: Cross multiply
    132,212.66x = 182,424.96 × 78,515.73
  4. Step 4: Simplify right side
    132,212.66x = 14,323,228,904.62
  5. Step 5: Solve for x
    x = 14,323,228,904.62/132,212.66
  6. Step 6: Final answer
    x = 108,334.78

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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.