Home / 112,481.10-155,224.62-61,493.94

Finding the Fourth Proportional to 112,481.10, 155,224.62 and 61,493.94

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Solution

The fourth proportional to 112,481.10, 155,224.62 and 61,493.94 is: 84,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,481.10 : 155,224.62 = 61,493.94 : x
  2. Step 2: Convert to fraction form
    112,481.10/155,224.62 = 61,493.94/x
  3. Step 3: Cross multiply
    112,481.10x = 155,224.62 × 61,493.94
  4. Step 4: Simplify right side
    112,481.10x = 9,545,373,468.80
  5. Step 5: Solve for x
    x = 9,545,373,468.80/112,481.10
  6. Step 6: Final answer
    x = 84,862.02

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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.