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Finding the Fourth Proportional to 176,128, 264,136.56 and 57,771.82

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Solution

The fourth proportional to 176,128, 264,136.56 and 57,771.82 is: 86,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,128 : 264,136.56 = 57,771.82 : x
  2. Step 2: Convert to fraction form
    176,128/264,136.56 = 57,771.82/x
  3. Step 3: Cross multiply
    176,128x = 264,136.56 × 57,771.82
  4. Step 4: Simplify right side
    176,128x = 15,259,649,799.74
  5. Step 5: Solve for x
    x = 15,259,649,799.74/176,128
  6. Step 6: Final answer
    x = 86,639.55

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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.