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Finding the Fourth Proportional to 109,571.08, 151,208.10 and 59,270.08

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Solution

The fourth proportional to 109,571.08, 151,208.10 and 59,270.08 is: 81,792.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,571.08 : 151,208.10 = 59,270.08 : x
  2. Step 2: Convert to fraction form
    109,571.08/151,208.10 = 59,270.08/x
  3. Step 3: Cross multiply
    109,571.08x = 151,208.10 × 59,270.08
  4. Step 4: Simplify right side
    109,571.08x = 8,962,116,183.65
  5. Step 5: Solve for x
    x = 8,962,116,183.65/109,571.08
  6. Step 6: Final answer
    x = 81,792.72

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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.