Home / 132,418.68-182,790.72-81,452.07

Finding the Fourth Proportional to 132,418.68, 182,790.72 and 81,452.07

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Solution

The fourth proportional to 132,418.68, 182,790.72 and 81,452.07 is: 112,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,418.68 : 182,790.72 = 81,452.07 : x
  2. Step 2: Convert to fraction form
    132,418.68/182,790.72 = 81,452.07/x
  3. Step 3: Cross multiply
    132,418.68x = 182,790.72 × 81,452.07
  4. Step 4: Simplify right side
    132,418.68x = 14,888,682,520.79
  5. Step 5: Solve for x
    x = 14,888,682,520.79/132,418.68
  6. Step 6: Final answer
    x = 112,436.42

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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.