Home / 132,286.82-182,485.83-83,803.22

Finding the Fourth Proportional to 132,286.82, 182,485.83 and 83,803.22

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Solution

The fourth proportional to 132,286.82, 182,485.83 and 83,803.22 is: 115,604.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,286.82 : 182,485.83 = 83,803.22 : x
  2. Step 2: Convert to fraction form
    132,286.82/182,485.83 = 83,803.22/x
  3. Step 3: Cross multiply
    132,286.82x = 182,485.83 × 83,803.22
  4. Step 4: Simplify right side
    132,286.82x = 15,292,900,158.37
  5. Step 5: Solve for x
    x = 15,292,900,158.37/132,286.82
  6. Step 6: Final answer
    x = 115,604.11

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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.