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Finding the Fourth Proportional to 185,169.84, 277,767.84 and 91,650.48

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Solution

The fourth proportional to 185,169.84, 277,767.84 and 91,650.48 is: 137,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,169.84 : 277,767.84 = 91,650.48 : x
  2. Step 2: Convert to fraction form
    185,169.84/277,767.84 = 91,650.48/x
  3. Step 3: Cross multiply
    185,169.84x = 277,767.84 × 91,650.48
  4. Step 4: Simplify right side
    185,169.84x = 25,457,555,864.56
  5. Step 5: Solve for x
    x = 25,457,555,864.56/185,169.84
  6. Step 6: Final answer
    x = 137,482.19

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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.