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Finding the Fourth Proportional to 157,234.37, 216,972.45 and 89,252.73

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Solution

The fourth proportional to 157,234.37, 216,972.45 and 89,252.73 is: 123,162.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,234.37 : 216,972.45 = 89,252.73 : x
  2. Step 2: Convert to fraction form
    157,234.37/216,972.45 = 89,252.73/x
  3. Step 3: Cross multiply
    157,234.37x = 216,972.45 × 89,252.73
  4. Step 4: Simplify right side
    157,234.37x = 19,365,383,497.29
  5. Step 5: Solve for x
    x = 19,365,383,497.29/157,234.37
  6. Step 6: Final answer
    x = 123,162.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.