Home / 179,631.81-269,447.70-100,752.20

Finding the Fourth Proportional to 179,631.81, 269,447.70 and 100,752.20

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Solution

The fourth proportional to 179,631.81, 269,447.70 and 100,752.20 is: 151,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,631.81 : 269,447.70 = 100,752.20 : x
  2. Step 2: Convert to fraction form
    179,631.81/269,447.70 = 100,752.20/x
  3. Step 3: Cross multiply
    179,631.81x = 269,447.70 × 100,752.20
  4. Step 4: Simplify right side
    179,631.81x = 27,147,447,212.70
  5. Step 5: Solve for x
    x = 27,147,447,212.70/179,631.81
  6. Step 6: Final answer
    x = 151,128.28

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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.