Home / 108,727.05-163,132.09-42,213.88

Finding the Fourth Proportional to 108,727.05, 163,132.09 and 42,213.88

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Solution

The fourth proportional to 108,727.05, 163,132.09 and 42,213.88 is: 63,336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,727.05 : 163,132.09 = 42,213.88 : x
  2. Step 2: Convert to fraction form
    108,727.05/163,132.09 = 42,213.88/x
  3. Step 3: Cross multiply
    108,727.05x = 163,132.09 × 42,213.88
  4. Step 4: Simplify right side
    108,727.05x = 6,886,439,087.96
  5. Step 5: Solve for x
    x = 6,886,439,087.96/108,727.05
  6. Step 6: Final answer
    x = 63,336.95

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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.