Home / 146,997.40-220,058.70-87,802.60

Finding the Fourth Proportional to 146,997.40, 220,058.70 and 87,802.60

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Solution

The fourth proportional to 146,997.40, 220,058.70 and 87,802.60 is: 131,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,997.40 : 220,058.70 = 87,802.60 : x
  2. Step 2: Convert to fraction form
    146,997.40/220,058.70 = 87,802.60/x
  3. Step 3: Cross multiply
    146,997.40x = 220,058.70 × 87,802.60
  4. Step 4: Simplify right side
    146,997.40x = 19,321,726,012.62
  5. Step 5: Solve for x
    x = 19,321,726,012.62/146,997.40
  6. Step 6: Final answer
    x = 131,442.64

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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.