Home / 108,940.20-163,191.60-73,510.80

Finding the Fourth Proportional to 108,940.20, 163,191.60 and 73,510.80

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Solution

The fourth proportional to 108,940.20, 163,191.60 and 73,510.80 is: 110,118.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,940.20 : 163,191.60 = 73,510.80 : x
  2. Step 2: Convert to fraction form
    108,940.20/163,191.60 = 73,510.80/x
  3. Step 3: Cross multiply
    108,940.20x = 163,191.60 × 73,510.80
  4. Step 4: Simplify right side
    108,940.20x = 11,996,345,069.28
  5. Step 5: Solve for x
    x = 11,996,345,069.28/108,940.20
  6. Step 6: Final answer
    x = 110,118.63

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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.