Home / 165,957.12-248,937.21-53,637.39

Finding the Fourth Proportional to 165,957.12, 248,937.21 and 53,637.39

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Solution

The fourth proportional to 165,957.12, 248,937.21 and 53,637.39 is: 80,456.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,957.12 : 248,937.21 = 53,637.39 : x
  2. Step 2: Convert to fraction form
    165,957.12/248,937.21 = 53,637.39/x
  3. Step 3: Cross multiply
    165,957.12x = 248,937.21 × 53,637.39
  4. Step 4: Simplify right side
    165,957.12x = 13,352,342,218.28
  5. Step 5: Solve for x
    x = 13,352,342,218.28/165,957.12
  6. Step 6: Final answer
    x = 80,456.58

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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.