Home / 108,172.66-162,259.09-28,210.56

Finding the Fourth Proportional to 108,172.66, 162,259.09 and 28,210.56

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Solution

The fourth proportional to 108,172.66, 162,259.09 and 28,210.56 is: 42,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,172.66 : 162,259.09 = 28,210.56 : x
  2. Step 2: Convert to fraction form
    108,172.66/162,259.09 = 28,210.56/x
  3. Step 3: Cross multiply
    108,172.66x = 162,259.09 × 28,210.56
  4. Step 4: Simplify right side
    108,172.66x = 4,577,419,793.99
  5. Step 5: Solve for x
    x = 4,577,419,793.99/108,172.66
  6. Step 6: Final answer
    x = 42,315.87

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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.