Home / 87,219.90-130,896.09-63,907.26

Finding the Fourth Proportional to 87,219.90, 130,896.09 and 63,907.26

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Solution

The fourth proportional to 87,219.90, 130,896.09 and 63,907.26 is: 95,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,219.90 : 130,896.09 = 63,907.26 : x
  2. Step 2: Convert to fraction form
    87,219.90/130,896.09 = 63,907.26/x
  3. Step 3: Cross multiply
    87,219.90x = 130,896.09 × 63,907.26
  4. Step 4: Simplify right side
    87,219.90x = 8,365,210,456.61
  5. Step 5: Solve for x
    x = 8,365,210,456.61/87,219.90
  6. Step 6: Final answer
    x = 95,909.42

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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.