Home / 132,583.02-182,904-78,837.42

Finding the Fourth Proportional to 132,583.02, 182,904 and 78,837.42

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Solution

The fourth proportional to 132,583.02, 182,904 and 78,837.42 is: 108,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,583.02 : 182,904 = 78,837.42 : x
  2. Step 2: Convert to fraction form
    132,583.02/182,904 = 78,837.42/x
  3. Step 3: Cross multiply
    132,583.02x = 182,904 × 78,837.42
  4. Step 4: Simplify right side
    132,583.02x = 14,419,679,467.68
  5. Step 5: Solve for x
    x = 14,419,679,467.68/132,583.02
  6. Step 6: Final answer
    x = 108,759.62

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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.