Home / 132,236.55-182,483.89-74,871.54

Finding the Fourth Proportional to 132,236.55, 182,483.89 and 74,871.54

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Solution

The fourth proportional to 132,236.55, 182,483.89 and 74,871.54 is: 103,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,236.55 : 182,483.89 = 74,871.54 : x
  2. Step 2: Convert to fraction form
    132,236.55/182,483.89 = 74,871.54/x
  3. Step 3: Cross multiply
    132,236.55x = 182,483.89 × 74,871.54
  4. Step 4: Simplify right side
    132,236.55x = 13,662,849,682.31
  5. Step 5: Solve for x
    x = 13,662,849,682.31/132,236.55
  6. Step 6: Final answer
    x = 103,321.28

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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.