Home / 179,459.40-269,189.10-109,475.40

Finding the Fourth Proportional to 179,459.40, 269,189.10 and 109,475.40

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Solution

The fourth proportional to 179,459.40, 269,189.10 and 109,475.40 is: 164,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,459.40 : 269,189.10 = 109,475.40 : x
  2. Step 2: Convert to fraction form
    179,459.40/269,189.10 = 109,475.40/x
  3. Step 3: Cross multiply
    179,459.40x = 269,189.10 × 109,475.40
  4. Step 4: Simplify right side
    179,459.40x = 29,469,584,398.14
  5. Step 5: Solve for x
    x = 29,469,584,398.14/179,459.40
  6. Step 6: Final answer
    x = 164,213.10

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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.