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Finding the Fourth Proportional to 178,039.81, 267,122.90 and 59,710.96

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Solution

The fourth proportional to 178,039.81, 267,122.90 and 59,710.96 is: 89,587.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,039.81 : 267,122.90 = 59,710.96 : x
  2. Step 2: Convert to fraction form
    178,039.81/267,122.90 = 59,710.96/x
  3. Step 3: Cross multiply
    178,039.81x = 267,122.90 × 59,710.96
  4. Step 4: Simplify right side
    178,039.81x = 15,950,164,796.98
  5. Step 5: Solve for x
    x = 15,950,164,796.98/178,039.81
  6. Step 6: Final answer
    x = 89,587.63

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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.