Home / 165,785.22-248,677.84-47,456.98

Finding the Fourth Proportional to 165,785.22, 248,677.84 and 47,456.98

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Solution

The fourth proportional to 165,785.22, 248,677.84 and 47,456.98 is: 71,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,785.22 : 248,677.84 = 47,456.98 : x
  2. Step 2: Convert to fraction form
    165,785.22/248,677.84 = 47,456.98/x
  3. Step 3: Cross multiply
    165,785.22x = 248,677.84 × 47,456.98
  4. Step 4: Simplify right side
    165,785.22x = 11,801,499,279.32
  5. Step 5: Solve for x
    x = 11,801,499,279.32/165,785.22
  6. Step 6: Final answer
    x = 71,185.47

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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.