Home / 108,990.63-163,517.21-45,778.24

Finding the Fourth Proportional to 108,990.63, 163,517.21 and 45,778.24

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Solution

The fourth proportional to 108,990.63, 163,517.21 and 45,778.24 is: 68,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,990.63 : 163,517.21 = 45,778.24 : x
  2. Step 2: Convert to fraction form
    108,990.63/163,517.21 = 45,778.24/x
  3. Step 3: Cross multiply
    108,990.63x = 163,517.21 × 45,778.24
  4. Step 4: Simplify right side
    108,990.63x = 7,485,529,642.04
  5. Step 5: Solve for x
    x = 7,485,529,642.04/108,990.63
  6. Step 6: Final answer
    x = 68,680.49

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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.