Home / 132,412.20-182,769.66-81,440.52

Finding the Fourth Proportional to 132,412.20, 182,769.66 and 81,440.52

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Solution

The fourth proportional to 132,412.20, 182,769.66 and 81,440.52 is: 112,413.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,412.20 : 182,769.66 = 81,440.52 : x
  2. Step 2: Convert to fraction form
    132,412.20/182,769.66 = 81,440.52/x
  3. Step 3: Cross multiply
    132,412.20x = 182,769.66 × 81,440.52
  4. Step 4: Simplify right side
    132,412.20x = 14,884,856,150.62
  5. Step 5: Solve for x
    x = 14,884,856,150.62/132,412.20
  6. Step 6: Final answer
    x = 112,413.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.