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Finding the Fourth Proportional to 146,171.89, 219,345.30 and 63,065.89

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Solution

The fourth proportional to 146,171.89, 219,345.30 and 63,065.89 is: 94,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,171.89 : 219,345.30 = 63,065.89 : x
  2. Step 2: Convert to fraction form
    146,171.89/219,345.30 = 63,065.89/x
  3. Step 3: Cross multiply
    146,171.89x = 219,345.30 × 63,065.89
  4. Step 4: Simplify right side
    146,171.89x = 13,833,206,836.00
  5. Step 5: Solve for x
    x = 13,833,206,836.00/146,171.89
  6. Step 6: Final answer
    x = 94,636.57

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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.