Home / 132,305.70-182,588.22-81,320.61

Finding the Fourth Proportional to 132,305.70, 182,588.22 and 81,320.61

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Solution

The fourth proportional to 132,305.70, 182,588.22 and 81,320.61 is: 112,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,305.70 : 182,588.22 = 81,320.61 : x
  2. Step 2: Convert to fraction form
    132,305.70/182,588.22 = 81,320.61/x
  3. Step 3: Cross multiply
    132,305.70x = 182,588.22 × 81,320.61
  4. Step 4: Simplify right side
    132,305.70x = 14,848,185,429.21
  5. Step 5: Solve for x
    x = 14,848,185,429.21/132,305.70
  6. Step 6: Final answer
    x = 112,226.35

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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.