Home / 132,871.94-183,366.74-81,918.34

Finding the Fourth Proportional to 132,871.94, 183,366.74 and 81,918.34

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Solution

The fourth proportional to 132,871.94, 183,366.74 and 81,918.34 is: 113,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,871.94 : 183,366.74 = 81,918.34 : x
  2. Step 2: Convert to fraction form
    132,871.94/183,366.74 = 81,918.34/x
  3. Step 3: Cross multiply
    132,871.94x = 183,366.74 × 81,918.34
  4. Step 4: Simplify right side
    132,871.94x = 15,021,098,237.60
  5. Step 5: Solve for x
    x = 15,021,098,237.60/132,871.94
  6. Step 6: Final answer
    x = 113,049.43

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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.