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Finding the Fourth Proportional to 166,653, 250,005.57 and 54,307.14

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Solution

The fourth proportional to 166,653, 250,005.57 and 54,307.14 is: 81,469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,653 : 250,005.57 = 54,307.14 : x
  2. Step 2: Convert to fraction form
    166,653/250,005.57 = 54,307.14/x
  3. Step 3: Cross multiply
    166,653x = 250,005.57 × 54,307.14
  4. Step 4: Simplify right side
    166,653x = 13,577,087,490.77
  5. Step 5: Solve for x
    x = 13,577,087,490.77/166,653
  6. Step 6: Final answer
    x = 81,469.21

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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.