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Finding the Fourth Proportional to 91,792.54, 137,690.34 and 25,232.26

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Solution

The fourth proportional to 91,792.54, 137,690.34 and 25,232.26 is: 37,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,792.54 : 137,690.34 = 25,232.26 : x
  2. Step 2: Convert to fraction form
    91,792.54/137,690.34 = 25,232.26/x
  3. Step 3: Cross multiply
    91,792.54x = 137,690.34 × 25,232.26
  4. Step 4: Simplify right side
    91,792.54x = 3,474,238,458.37
  5. Step 5: Solve for x
    x = 3,474,238,458.37/91,792.54
  6. Step 6: Final answer
    x = 37,848.81

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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.