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Finding the Fourth Proportional to 93,625.20, 140,437.80 and 80,794.80

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Solution

The fourth proportional to 93,625.20, 140,437.80 and 80,794.80 is: 121,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,625.20 : 140,437.80 = 80,794.80 : x
  2. Step 2: Convert to fraction form
    93,625.20/140,437.80 = 80,794.80/x
  3. Step 3: Cross multiply
    93,625.20x = 140,437.80 × 80,794.80
  4. Step 4: Simplify right side
    93,625.20x = 11,346,643,963.44
  5. Step 5: Solve for x
    x = 11,346,643,963.44/93,625.20
  6. Step 6: Final answer
    x = 121,192.20

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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.