Home / 108,836.20-163,035.60-73,406.80

Finding the Fourth Proportional to 108,836.20, 163,035.60 and 73,406.80

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Solution

The fourth proportional to 108,836.20, 163,035.60 and 73,406.80 is: 109,962.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,836.20 : 163,035.60 = 73,406.80 : x
  2. Step 2: Convert to fraction form
    108,836.20/163,035.60 = 73,406.80/x
  3. Step 3: Cross multiply
    108,836.20x = 163,035.60 × 73,406.80
  4. Step 4: Simplify right side
    108,836.20x = 11,967,921,682.08
  5. Step 5: Solve for x
    x = 11,967,921,682.08/108,836.20
  6. Step 6: Final answer
    x = 109,962.69

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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.