Home / 165,828.88-248,719.02-81,566.43

Finding the Fourth Proportional to 165,828.88, 248,719.02 and 81,566.43

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Solution

The fourth proportional to 165,828.88, 248,719.02 and 81,566.43 is: 122,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,828.88 : 248,719.02 = 81,566.43 : x
  2. Step 2: Convert to fraction form
    165,828.88/248,719.02 = 81,566.43/x
  3. Step 3: Cross multiply
    165,828.88x = 248,719.02 × 81,566.43
  4. Step 4: Simplify right side
    165,828.88x = 20,287,121,290.90
  5. Step 5: Solve for x
    x = 20,287,121,290.90/165,828.88
  6. Step 6: Final answer
    x = 122,337.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.