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Finding the Fourth Proportional to 155,576.52, 214,698.33 and 91,914.17

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Solution

The fourth proportional to 155,576.52, 214,698.33 and 91,914.17 is: 126,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,576.52 : 214,698.33 = 91,914.17 : x
  2. Step 2: Convert to fraction form
    155,576.52/214,698.33 = 91,914.17/x
  3. Step 3: Cross multiply
    155,576.52x = 214,698.33 × 91,914.17
  4. Step 4: Simplify right side
    155,576.52x = 19,733,817,728.84
  5. Step 5: Solve for x
    x = 19,733,817,728.84/155,576.52
  6. Step 6: Final answer
    x = 126,843.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.