Home / 108,718.20-163,077.30-99,532.80

Finding the Fourth Proportional to 108,718.20, 163,077.30 and 99,532.80

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Solution

The fourth proportional to 108,718.20, 163,077.30 and 99,532.80 is: 149,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,718.20 : 163,077.30 = 99,532.80 : x
  2. Step 2: Convert to fraction form
    108,718.20/163,077.30 = 99,532.80/x
  3. Step 3: Cross multiply
    108,718.20x = 163,077.30 × 99,532.80
  4. Step 4: Simplify right side
    108,718.20x = 16,231,540,285.44
  5. Step 5: Solve for x
    x = 16,231,540,285.44/108,718.20
  6. Step 6: Final answer
    x = 149,299.20

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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.