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Finding the Fourth Proportional to 166,710, 250,065 and 49,974

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Solution

The fourth proportional to 166,710, 250,065 and 49,974 is: 74,961

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,710 : 250,065 = 49,974 : x
  2. Step 2: Convert to fraction form
    166,710/250,065 = 49,974/x
  3. Step 3: Cross multiply
    166,710x = 250,065 × 49,974
  4. Step 4: Simplify right side
    166,710x = 12,496,748,310
  5. Step 5: Solve for x
    x = 12,496,748,310/166,710
  6. Step 6: Final answer
    x = 74,961

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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.