Home / 132,213.66-182,426.34-78,516.73

Finding the Fourth Proportional to 132,213.66, 182,426.34 and 78,516.73

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Solution

The fourth proportional to 132,213.66, 182,426.34 and 78,516.73 is: 108,336.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,213.66 : 182,426.34 = 78,516.73 : x
  2. Step 2: Convert to fraction form
    132,213.66/182,426.34 = 78,516.73/x
  3. Step 3: Cross multiply
    132,213.66x = 182,426.34 × 78,516.73
  4. Step 4: Simplify right side
    132,213.66x = 14,323,519,682.67
  5. Step 5: Solve for x
    x = 14,323,519,682.67/132,213.66
  6. Step 6: Final answer
    x = 108,336.16

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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.