Home / 132,572.73-182,954.22-72,147.27

Finding the Fourth Proportional to 132,572.73, 182,954.22 and 72,147.27

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Solution

The fourth proportional to 132,572.73, 182,954.22 and 72,147.27 is: 99,565.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,572.73 : 182,954.22 = 72,147.27 : x
  2. Step 2: Convert to fraction form
    132,572.73/182,954.22 = 72,147.27/x
  3. Step 3: Cross multiply
    132,572.73x = 182,954.22 × 72,147.27
  4. Step 4: Simplify right side
    132,572.73x = 13,199,647,923.51
  5. Step 5: Solve for x
    x = 13,199,647,923.51/132,572.73
  6. Step 6: Final answer
    x = 99,565.33

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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.