Home / 61,153.56-91,724.18-16,784.78

Finding the Fourth Proportional to 61,153.56, 91,724.18 and 16,784.78

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Solution

The fourth proportional to 61,153.56, 91,724.18 and 16,784.78 is: 25,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,153.56 : 91,724.18 = 16,784.78 : x
  2. Step 2: Convert to fraction form
    61,153.56/91,724.18 = 16,784.78/x
  3. Step 3: Cross multiply
    61,153.56x = 91,724.18 × 16,784.78
  4. Step 4: Simplify right side
    61,153.56x = 1,539,570,181.98
  5. Step 5: Solve for x
    x = 1,539,570,181.98/61,153.56
  6. Step 6: Final answer
    x = 25,175.48

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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.