Home / 146,997.60-220,496.40-87,802.80

Finding the Fourth Proportional to 146,997.60, 220,496.40 and 87,802.80

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Solution

The fourth proportional to 146,997.60, 220,496.40 and 87,802.80 is: 131,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,997.60 : 220,496.40 = 87,802.80 : x
  2. Step 2: Convert to fraction form
    146,997.60/220,496.40 = 87,802.80/x
  3. Step 3: Cross multiply
    146,997.60x = 220,496.40 × 87,802.80
  4. Step 4: Simplify right side
    146,997.60x = 19,360,201,309.92
  5. Step 5: Solve for x
    x = 19,360,201,309.92/146,997.60
  6. Step 6: Final answer
    x = 131,704.20

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1.5x scale

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.