Home / 132,214.16-182,427.03-78,517.23

Finding the Fourth Proportional to 132,214.16, 182,427.03 and 78,517.23

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Solution

The fourth proportional to 132,214.16, 182,427.03 and 78,517.23 is: 108,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,214.16 : 182,427.03 = 78,517.23 : x
  2. Step 2: Convert to fraction form
    132,214.16/182,427.03 = 78,517.23/x
  3. Step 3: Cross multiply
    132,214.16x = 182,427.03 × 78,517.23
  4. Step 4: Simplify right side
    132,214.16x = 14,323,665,072.73
  5. Step 5: Solve for x
    x = 14,323,665,072.73/132,214.16
  6. Step 6: Final answer
    x = 108,336.85

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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.