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Finding the Fourth Proportional to 179,443.64, 269,207.76 and 100,612.28

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Solution

The fourth proportional to 179,443.64, 269,207.76 and 100,612.28 is: 150,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,443.64 : 269,207.76 = 100,612.28 : x
  2. Step 2: Convert to fraction form
    179,443.64/269,207.76 = 100,612.28/x
  3. Step 3: Cross multiply
    179,443.64x = 269,207.76 × 100,612.28
  4. Step 4: Simplify right side
    179,443.64x = 27,085,606,527.29
  5. Step 5: Solve for x
    x = 27,085,606,527.29/179,443.64
  6. Step 6: Final answer
    x = 150,942.14

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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.