Home / 165,837.80-248,859.30-87,008.60

Finding the Fourth Proportional to 165,837.80, 248,859.30 and 87,008.60

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Solution

The fourth proportional to 165,837.80, 248,859.30 and 87,008.60 is: 130,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,837.80 : 248,859.30 = 87,008.60 : x
  2. Step 2: Convert to fraction form
    165,837.80/248,859.30 = 87,008.60/x
  3. Step 3: Cross multiply
    165,837.80x = 248,859.30 × 87,008.60
  4. Step 4: Simplify right side
    165,837.80x = 21,652,899,289.98
  5. Step 5: Solve for x
    x = 21,652,899,289.98/165,837.80
  6. Step 6: Final answer
    x = 130,566.73

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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.