Home / 112,550.75-155,314.24-61,553.55

Finding the Fourth Proportional to 112,550.75, 155,314.24 and 61,553.55

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Solution

The fourth proportional to 112,550.75, 155,314.24 and 61,553.55 is: 84,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,550.75 : 155,314.24 = 61,553.55 : x
  2. Step 2: Convert to fraction form
    112,550.75/155,314.24 = 61,553.55/x
  3. Step 3: Cross multiply
    112,550.75x = 155,314.24 × 61,553.55
  4. Step 4: Simplify right side
    112,550.75x = 9,560,143,266.10
  5. Step 5: Solve for x
    x = 9,560,143,266.10/112,550.75
  6. Step 6: Final answer
    x = 84,940.73

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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.