Home / 87,370.30-130,858.62-52,236.28

Finding the Fourth Proportional to 87,370.30, 130,858.62 and 52,236.28

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Solution

The fourth proportional to 87,370.30, 130,858.62 and 52,236.28 is: 78,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,370.30 : 130,858.62 = 52,236.28 : x
  2. Step 2: Convert to fraction form
    87,370.30/130,858.62 = 52,236.28/x
  3. Step 3: Cross multiply
    87,370.30x = 130,858.62 × 52,236.28
  4. Step 4: Simplify right side
    87,370.30x = 6,835,567,514.73
  5. Step 5: Solve for x
    x = 6,835,567,514.73/87,370.30
  6. Step 6: Final answer
    x = 78,236.74

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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.