Home / 87,964.60-131,946.90-28,802.20

Finding the Fourth Proportional to 87,964.60, 131,946.90 and 28,802.20

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Solution

The fourth proportional to 87,964.60, 131,946.90 and 28,802.20 is: 43,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,964.60 : 131,946.90 = 28,802.20 : x
  2. Step 2: Convert to fraction form
    87,964.60/131,946.90 = 28,802.20/x
  3. Step 3: Cross multiply
    87,964.60x = 131,946.90 × 28,802.20
  4. Step 4: Simplify right side
    87,964.60x = 3,800,361,003.18
  5. Step 5: Solve for x
    x = 3,800,361,003.18/87,964.60
  6. Step 6: Final answer
    x = 43,203.30

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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.