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Finding the Fourth Proportional to 178,174.17, 267,299.46 and 51,816.60

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Solution

The fourth proportional to 178,174.17, 267,299.46 and 51,816.60 is: 77,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,174.17 : 267,299.46 = 51,816.60 : x
  2. Step 2: Convert to fraction form
    178,174.17/267,299.46 = 51,816.60/x
  3. Step 3: Cross multiply
    178,174.17x = 267,299.46 × 51,816.60
  4. Step 4: Simplify right side
    178,174.17x = 13,850,549,199.04
  5. Step 5: Solve for x
    x = 13,850,549,199.04/178,174.17
  6. Step 6: Final answer
    x = 77,736.01

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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.