Home / 108,145.75-162,218.63-34,273.75

Finding the Fourth Proportional to 108,145.75, 162,218.63 and 34,273.75

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Solution

The fourth proportional to 108,145.75, 162,218.63 and 34,273.75 is: 51,410.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,145.75 : 162,218.63 = 34,273.75 : x
  2. Step 2: Convert to fraction form
    108,145.75/162,218.63 = 34,273.75/x
  3. Step 3: Cross multiply
    108,145.75x = 162,218.63 × 34,273.75
  4. Step 4: Simplify right side
    108,145.75x = 5,559,840,769.96
  5. Step 5: Solve for x
    x = 5,559,840,769.96/108,145.75
  6. Step 6: Final answer
    x = 51,410.63

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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.